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The performance of glass fiber modified PTFE (polytetrafluoroethylene) is mainly reflected in the following aspects:   Chemical corrosion resistance The PTFE material reinforced with glass fiber still maintains stability against strong acids (such as aqua regia), strong alkalis (such as sodium hydroxide), and strong oxidants (such as potassium permanganate), and will not decompose due to chemical erosion within the range of -200℃ to 260℃. The addition of glass fiber restricts the movement of PTFE molecular chains, further hindering the penetration of small molecules such as hydrofluoric acid and enhancing the overall corrosion resistance. ‌ 1 2   Improvement of mechanical performance Glass fiber as a skeletal structure can significantly enhance the compressive strength, wear resistance and dimensional stability of materials, especially suitable for corrosive environments containing granular media. For instance, glass fiber reinforced PTFE gaskets can still maintain sealing performance under high temperature and high pressure, reducing the frequency of flange maintenance. ‌ 3 4   Insulation performance Pure PTFE already possesses excellent insulation properties (low dielectric constant and low dielectric loss). Although the addition of glass fiber may slightly reduce the surface resistivity and volume resistivity, it can still meet most electrical insulation requirements under reasonable processes. ‌ 5   Application advantages The modified material is suitable for fields such as chemical engineering and petrochemicals. Compared with traditional PTFE, it is more wear-resistant and has a lower cost. For instance, fiberglass-filled PTFE gaskets have a longer service life and are suitable for scenarios with pollution-free requirements such as food and medicine

The advantages of super can sealing   SUNPASS's super can seal is made of high-quality raw materials and has excellent flexibility. The super can seal perfectly combines the elasticity and anti-compression deformation ability of ethylene propylene diene monomer (EPDM) rubber with the excellent chemical resistance of polytetrafluoroethylene. The super can is sealed without bubbling or peeling, with strong sealing performance and excellent corrosion resistance.   The rectangular elastic core of the seal is wrapped on three sides: the top and bottom sealing surfaces as well as the inner diameter are made of 100% virgin PTFE. This well seal is an efficient sealing solution that can provide users with outstanding performance and reliability.     Service capacity Maximum pressure of the tank: 4bar Maximum temperature: +110°C Minimum temperature: -25°C

Exhibition Dates: September 17th - 19th, 2025 (Wednesday to Friday, a total of 3 days)   Exhibition Venue: Shanghai New International Expo Center, No. 2345, Longyang Road, Pudong New Area, Shanghai   Exhibition area: 130,000 square meters, estimated figure, for reference only   Organizational structure   Organizer: China Petroleum and Chemical Industry Federation   Organizer: Chemical Industry Branch of China Council for the Promotion of International Trade, China National Chemical Information Center   Booth inquiry: Zhou Bin 150 0055 9983   About CPLF China   Packaging, storage and transportation, as an important link in ensuring safety in the petroleum and chemical industry, have drawn much attention for industrial upgrading and the digital and intelligent transformation of new products and new equipment. The 2025(7th) China International Chemical Packaging and Storage Exhibition (CPLF China 2025) will take "Innovation and Safety Effectiveness" as its theme. Continue to create a top-level industry event integrating the development of chemical packaging, packaging equipment and logistics storage and transportation industries.   The Chemical Packaging and Storage & Transportation Exhibition is an important specialized exhibition of the "China International Chemical Exhibition (ICIF China)", aiming to promote the safe development of the petroleum and chemical industry, enhance trade, communication and cooperation among upstream and downstream manufacturers, and jointly explore the latest progress and future development strategies of the industry. The exhibition has been successfully held for six sessions and has received unanimous praise from exhibitors and professional visitors at home and abroad over the years. The exhibition brings together renowned enterprises from around the world in the fields of packaging, storage and transportation, and hazardous chemicals logistics technology and equipment in the petroleum and chemical industry, jointly promoting the safe development of the industry.   In 2025, the exhibition will continue to jointly create the industry event "China Petrochemical Industry Week" with China International Chemical Exhibition, China International Rubber Technology Exhibition and China International Adhesive and Sealant Exhibition. It will gather 2,500 exhibitors, with an exhibition area exceeding 130,000 square meters, and is expected to attract more than 80,000 professional visitors.       Exhibition scope   Plastic packaging, metal packaging and accessories   IBC ton drums, plastic drums, plastic bottles, turnover boxes, stainless steel containers, steel drums, tinplate chemical tanks, packaging accessories, etc.   Flexible packaging and auxiliary packaging   Bulk bags, FFS bags, PE bags, aluminum-plastic/paper-plastic composite bags, woven bags, square-bottom bags, liquid bags, inner lining bags, inflatable bags, stretch film, cold stretch sleeve film, strapping bands, strapping machines, heating pads, bottle caps, labels, cleaning equipment, etc.   Pallet   Molded pallets, plastic pallets, wooden pallets, etc.   Packaging equipment   Granular and powder packaging equipment, filling equipment, fully automatic packaging and palletizing machines, weighing equipment, metering equipment, conveying equipment, automatic batching systems, sealing machines, unpacking machines, labeling equipment and third-party packaging inspection, etc.   Chemical storage and transportation   Tank containers, logistics companies, international freight forwarders, storage equipment, tank design and engineering, professional warehouses, tank farms, ports, storage yards, etc.   Intelligent logistics, warehousing and intelligent manufacturing, etc   Stacker cranes, shuttle vehicles, elevators, conveyors, sorters, storage shelves, etc

Leakage is the most common problem of every industry whether it is the leakage of water or the chemicals. Fighting back with the leakage of the chemicals is necessary, especially when you are operating with the hazardous chemicals. From the huge range of the products, Flange Guards and Gaskets are the products that are widely used to prevent the leakage of the liquids, oils, and gases. The gaskets are available in the market with various materials as per the application of the product. The gaskets are classified into three categories mainly; metallic, semi-metallic and nonmetallic. PTFE gasket is perfect for the industries which are dealing with the hazardous chemicals and it is a non-metallic product which is easily available in the market. PTFE stands for Polytetrafluoroethylene which has the high-end material capabilities for resisting chemicals. The industries like Aerospace, Heat Exchangers, Plumbing, Chemical Industries, Food Industries, Pharmaceuticals, Petrochemicals, Oil and Gas Industries, etc. are used the gaskets for sealing the liquids or gases flowing in the pipelines. It is non-corrosive and is available in different shapes and sizes. The product has excellent working capabilities with high and low temperature. It is popular for its chemical resisting properties and there is no chance of leakage as well as the cross-linking. It is also economical in price and can be used by any manufacturer or industry. The PTFE gaskets are available in various structures, for example Ring, Envelope, Reedy Type, etc. Various Properties Of PTFE Ring Gaskets:- Heat And Chemical Resistance: The PTFE gaskets are famous for its temperature and chemical resistant properties. It is non-sticking in nature without tarnishing its appearance. The main cause of failure of the operation is the high temperature and concentration of the acids. PTFE products are specifically known for resisting them effectively. Non-Friction: The flange and bolt load create friction with the surface of the joints and the product has to face extreme pressure which can blow it out and cause leakage. PTFE products are the best at preventing the leakage and creation of friction. The product is the best at bearing loads and is an excellent choice for pipe gaskets. Wide Application: The PTFE products are used in various industrial applications because they are cheap, affordable, safe, reliable, prevents leakage, extreme temperature resistant, corrosion resistant, etc. It can deal with low as well as high temperature and bears the high load. They are used in chemical, petrochemical, oil and gas industry, etc. It perfectly seals the liquid and gas in the pipes.

Gaskets are one of the basic elements for preventing the leakage, mist formation, and spray outs after the flange guards. They are installed at the flange joints, pipelines or valve joints, etc. to prevent the leakage of the harmful gasses and liquids from the gap between the joints. The gaskets are proven to seal the gap between the surfaces of the joints and provide better protection at an affordable price. They bear the high pressure of the high-temperature chemicals and have corrosion resistance properties. They are used in many industries like automotive, aerospace, chemical industries, electronics, military industries, pharmaceuticals and appliances. The Types Of The Loads That A PTFE Ring Gasket Bear Are As Follows:- The initial compressive load is the bolt load which pulls the gasket material into surface defects to form a strong seal. The hydrostatic end force which tends to separate the surfaces of the flange joints when the arrangement is over pressurized. The internal load pulling the part of the gasket exposed to inner force. It tends to blow the seal out of the joint. The various metals and materials are used to make gaskets which can meet the demand of various industries. The range covers non-metallic, semi-metallic and metallic gaskets. The industries mostly install PTFE ring gaskets which are made up of a material and provide better performance in the operation. This type of the gaskets used widely in the chemical industries and pharmaceuticals because it avails numerous benefits, besides acting as the protective seal for the leakage. It reduces friction to provide a rigid usability and avoid any of the damage or failures. There Are Many Factors That Are Affecting The Performance Of The Gaskets:- The Flange Load - The pressure on the two surfaces of flange joints churns the product and compresses the gasket to create an even tighter seal. The gaskets are enough tough to bear this load and the bolts of the joints should be tightened enough to create a perfect seal. Temperature - The high temperature sometimes affects the efficiency of the product, but the gaskets are made of the high-grade material which is actually temperature resistant. Fluid - The chemicals flowing through the pipelines is highly corrosive in nature and the liquids are harder to sell in comparison to the gas. The PTFE ring gaskets seal the liquid and prevent it from flowing outside. The product also prevents the contamination of the liquid.

The gaskets are used in various types of industries that have pipelines, valves, etc. for carrying dangerous chemicals or other materials. The main function of the gaskets is to act as a sealing joint of the pipelines and prevents the leakage of the liquids, steams, or gases. It also protects the joints from the corrosion and excessive build up of dirt and dust which causes due to the leakage of the liquids. They are great pressure and temperature resistant. Types Of Gaskets Available In The Market:- Metallic - The gaskets are made of the various types of metals and are used in the various application areas. They are made either with a single metal or with the mixture of various metals which depends on the wide applicability of the product. Most metals that are used to form gaskets are stainless steel, brass, steel, copper, aluminum, or nickel. Semi-Metallic - As the name suggests semi-metallic gaskets are designed with soft, pliable sealing materials which enhance the tightness of the overall material that is far better than the metallic gaskets. They are popular for its wide application uses and easy availability of different shapes as well as the sizes. They can bear the extreme temperature, force, and vibration with an ease. Non-Metallic - The type of the product doesn’t contain any metal at the time of its manufacturing. They are soft and compressible to a great extent. They are made with the materials such as PTFE, Teflon, Rubber, etc. It is best at sealing the liquid inside the pipelines without any chance of leakage. Tips On Fitting A PTFE Ring Gasket Between The Two Surfaces Of Flange Joint:- Before you install the gasket at the joint, make sure the surfaces of the joints are of the same type and correctly aligned. The bolts or fasteners selected for the joints of the pipelines should be picked up with the care. Don’t tighten the bolts too tightly that it creates an unbearable force for the gaskets. Also, don’t leave it loose so that the gasket came out at the time of the operation. Select the material of the gasket carefully so that when the product is exposed to the extremely high temperature, it can bear the temperature of the operation and stay at the place. PTFE Ring Gaskets are best suited for the same purpose. Always buy the gasket material from the reputed PTFE Ring Gasket Manufacturers for the best quality and superior results.

Are you looking for a reliable solution to protect the man and the machine from the effect of harmful chemicals? The gaskets are used for many years to prevent the leakage of harmful acids and chemicals as to safeguard the environment from the hazardous effects of such chemicals. PTFE ring gaskets are the most reliable solution for this purpose. They are non-stick in nature and gives excellent protection from the leakage, spray outs and mist formation. They are generally installed at the surfaces of the flange joints. It has most effective design which covers the surface of the joints precisely. However, you should be careful while installing the gaskets to avoid the failure of the device. The foremost reason of installing the device is to provide protection against the leakage of the liquid or gas flowing in the pipelines, valves, flanges, etc. The device is known as the most effective solution to prevent the leakage. The gaskets are available in various types and materials but PTFE ring gasket is the most influential choice for the industries which are dealing with the harmful chemicals and petrochemicals. PTFE has excellent chemical resistance and it is also considered as the best for resisting high temperature. Pros Of Installing PTFE Ring Gaskets For Chemical Industries:- Excellent Chemical Resistance: The PTFE products are known for its high chemical resistance properties, there are hardly any chances of failure of the application. The chemical strength of the material is high and the molecules are packed tightly which don’t let the chemicals pass through it. It is known for its waterproof properties and prevents the leakage flawlessly. It also protects the joints from corrosion and many other environmental problems. Mechanical Strength: It has excellent mechanical strength as PTFE has non-stick nature which means it is a long lasting product and you can reuse it as it is detachable. It is stable and non-toxic at the low temperatures but they are discarded with the extreme care. They are non-reactive and reduce friction to a great extent. It has good flexibility even at the high temperature. Strong Structure: It has strong structure as it can bear high temperature. It is also widely used for reactive and corrosive chemicals. It also reduces the wear and energy consumption to a great extent. It has lowest coefficient of friction than any other solid which means it is safe for installation for the environmental friendly reasons. It also maintains great strength, toughness and self-lubrication at the low temperatures.

The chemical industries are dealing with the extreme temperature, corrosive, and highly concentrated acids, alkaline, and other chemicals as well as petrochemicals. The joints are highly sensitive while shifting the oils, gases and chemicals through the pipelines, valves etc. They need a device to prevent the leakage of the chemicals in the environment that cause damage to the man and the machine. For such purposes, various products are used but PTFE ring gaskets are the best. The gaskets are available in the various materials, sizes and shapes. They are used widely in various application areas for safeguarding the world against leakage of liquids and gases. It is a mechanical seal that is installed at the joints to provide it protection against the leakage, mist formation and spray outs. The product has robust performance and its functional efficiency is excellent. In comparison to other materials and products, PTFE gaskets are high in performance and reliable in nature. Benefits Of PTFE Ring Gaskets – Thermal And Chemical:- Thermal Benefits Fire Resistance - The gaskets made with the PTFE material are known for their high temperature resistant properties. It doesn’t serve the purpose for fire and flames. It also doesn’t change its shape due to the thermal expansion like most products do. The products are fireproof and durable in most industrial applications. In case of the flames or fire, the product will not let the acids come out of the joints. Overload Current Protection - Most products heats up due to the transient current overloads, PTFE ring gaskets withstand the overheating due to such circumstances and greatly reduce the hazard of fire broke outs or damage to other adjacent part. It has excellent current resistance which means there is no overheating of the product. Chemical Benefits Chemical Resistance - The chemical industries install the PTFE products for their chemical bearing properties. The durability and reliability of the material make it famous in the industry. The chemical substances cause corrosion, harm to machine, and damage to the environment and humans. It is inert to most chemicals, fungus and has great mechanical strength. Water Resistance - The main aim of installing the product is to provide protection against the liquids. The PTFE products are great repellent to the water, oils and other liquids which also works well for resisting the liquids from coming out. It doesn’t show any significant changes in the chemical, thermal and mechanical properties for a long duration which means the product provides excellent performance to its users.

Mechanical parts processing industry is a pillar industry of the national economy and has broad prospects. When machining fine mechanical parts in a machining plant, there are many requirements and regulations on the machining process to ensure the qualification rate of factory parts. Remove the jaw of the vice, process two M4 threaded holes, flush two 1.5mm thick steel plates 2 with the jaw, rivet the 0.8mm thick hard brass plate 3 with aluminum countersunk rivets, and fasten it on the jaw with M4 countersunk screws 1 to form a durable soft jaw. This also protects the hardware parts from being clamped and is interchangeable.For a workpiece, clamp it first and then locate it, because the workpiece deformation will be tried during clamping, so clamp it first and then locate it. For 6-point positioning, find the limit of its degrees of freedom. When the handle of the Allen wrench is short and the force cannot be concentrated, the wrench can insert a pipe with an inner diameter slightly larger than the wrench from the milling groove, which can be used as a long handle.In the process of mechanical equipment manufacturing, machining deviation mainly includes spindle rotation deviation, guide rail deviation and transmission chain deviation. Spindle rotation deviation refers to the change of the actual rotation axis of the spindle relative to its average rotation axis at each moment, which directly affects the accuracy of the machined workpiece.Machining manufacturerThe main root causes of spindle rotation deviation are spindle coaxiality deviation, bearing itself deviation, coaxiality deviation between bearings, spindle winding, etc. The guide rail is not only the benchmark for determining the relative position relationship of machine tool components on the machine tool, but also the benchmark for machine tool movement.The manufacturing deviation, uneven wear and installation quality of the guide rail itself are important factors leading to the deviation of the guide rail. Transmission chain deviation refers to the relative motion deviation between the transmission elements at both ends of the transmission chain. It is caused by the manufacturing and assembly deviation of each component of the transmission chain and the wear in the process of use.Machining experience points out that any tool will inevitably wear in the cutting process, resulting in the change of workpiece size and shape. The influence of tool geometric deviation on machining deviation varies with tool type: when using fixed size tools, the manufacturing deviation of tools will directly affect the machining accuracy of workpieces; For general cutting tools, the manufacturing deviation has no direct impact on the machining deviation.The function of fixture is to make the workpiece equivalent to the correct position of tool and machine tool, so the geometric deviation of fixture has a great impact on machining deviation (especially position deviation). The thermal deformation of the process system has a great influence on the machining deviation, especially in static processing and large workpiece processing, the machining deviation caused by thermal deformation sometimes accounts for 50% of the total deviation of the workpiece.

The machining plant emphasizes that the machining needs to meet a certain accuracy, which refers to the consistency between the main parameters of the geometric figure after steel processing and the ideal value required by the part drawing. And the degree of inconsistency between them is called production and processing deviation. The production and processing accuracy of machining plant includes three levels: on the one hand, the specification accuracy limits the standard deviation between production and processing surfaces, and the specification deviation between standards does not exceed the necessary range; On the other hand, the accuracy of geometric figure limits the macroeconomic geometric figure deviation of production and processing surface, such as roundness, cylindricity, parallelism and straightness.On the other hand, the accuracy of mutual parts limits the mutual part deviation between the standards of the surface produced and processed by the machining plant, such as axiality, flatness, parallelism, etc. Production and processing accuracy is the consistency level between the actual specifications, appearance and position of the part surface after production and processing and the ideal geometric main parameters specified in the engineering drawing.The main parameters of ideal geometry, for specifications, refer to the average specification; For the appearance of surface geometry, it refers to circles, cylinders, plans, spheres, parallel lines, etc; For the mutual parts in the middle of the surface, it refers to parallel plane, vertical, coaxial output, symmetry, etc.In fact, the deviation between the main parameters of the geometry of the parts produced by the machining plant and the main parameters of the ideal geometry. Production and machining accuracy and production and machining deviation are professional terms to evaluate the main parameters of production and machining surface geometry. The smaller the tolerance grade, the higher the accuracy; Use the scale value to represent the production and processing deviation, and the larger the scale value.

In the processing of PTFE products, it is often necessary to combine different parts of the same material or PTFE with other metal or non-metallic materials. The use of binder is the most simple and practical choice. However, since the surface tension of PTFE itself is lower than that of all other solid materials, it is impossible to bond directly. The surface treatment of PTFE products is the key to the bonding effect. 1. Physical roughening processIn fact, the physical roughening process is plasma treatment. Plasma is also called glow discharge. For material surface treatment is a kind of energy called cold plasma. Under the atmospheric pressure of 0.13-0.18mpa, high-frequency discharge generates high-energy ions to splash the PTFE surface and generate many fine concave convex. Compared with chemical treatment, this treated surface can obtain higher bonding strength because it does not receive the action of air and ultraviolet light.2. Chemical treatment processIt mainly includes the preparation of chemical treatment solution and PTFE surface treatment. The available chemical treatment solutions include sodium naphthalene treatment solution and liquid sodium ammonia solution. The former is mainly used in China.3. BondingThe PTFE products with the above surface treatment and the materials required to be bonded with them can be bonded with a general adhesive.

1. Rubber seals can be divided into natural rubber and synthetic rubber according to the source and method of raw materials. The consumption of natural rubber accounts for 1 / 3 and that of synthetic rubber accounts for 2 / 3. 2. According to the appearance of rubber: rubber can be divided into four categories: solid rubber (also known as dry rubber), emulsion rubber (latex for short), liquid rubber and powder rubber.3. According to the performance and application of rubber: in addition to natural rubber, the synthetic rubber of electric ball valve can be divided into general synthetic rubber, semi general synthetic rubber, special synthetic rubber and special synthetic rubber.4. According to the physical form of rubber: rubber can be divided into hard rubber and soft rubber, raw rubber and mixed rubber.According to the types and crosslinking forms of rubber seals, in industrial use, rubber can be classified as follows: one is divided into ordinary rubber, heat-resistant rubber, oil-resistant rubber, weather aging resistant rubber, special chemical medium resistant rubber, etc.

ETFE chemical name ethylene tetrafluoroethylene copolymer is a fluoropolymer thermoplastic material. It is an artificial high-strength fluoropolymer. ETFE membrane material is directly formed from the material. ETFE membrane material has good durability, cleanliness and stability. It is a typical non-woven membrane material. It is the most advanced membrane material in the world. ETFE film with 0.25mm thick, colorless transparent tape printing points is selected for the National Stadium. PTFE chemical name polytetrafluoroethylene, is a kind of chemical inert material, which takes glass fiber as the substrate to form PTFE film. PTFE also has excellent durability, cleanliness and stability. The PTFE membrane material selected for the National Stadium is the sound-absorbing membrane material in the ceiling area and the waterproof membrane material in the inner ring facade according to different positions. After testing, the fire resistance of ETFE membrane material and PTFE membrane material can reach grade B1, which is a flame retardant material. 1. Characteristics of PTFE membrane(1) The biggest characteristic of PTFE membrane material is high strength. The thickness of medium strength PTFE membrane is only 0.8mm, but its tensile strength has reached the level of steel; Moreover, the low elastic modulus is conducive to the formation of complex curved surface modeling;(2) It has a wide temperature range and can be used in the temperature range of – 70 ℃ ~ 230 ℃;(3) It has unique optical performance. The incident light becomes natural warm light during the day to prevent glare, no shadow, and the light is evenly distributed; There is almost no UV transmission, which prevents the fading of interior decoration materials and equipment; The high reflection performance at night makes the room have excellent lighting effect, reduces power consumption, and can set off the brilliance of buildings in the air at night;(4) Good self-cleaning, rainwater can wash away the attachments on the surface;(5) It has high light transmittance, 13% light transmittance, 73% reflectivity to heat energy and little heat absorption;(6) The service life is more than 25 years.

Polytetrafluoroethylene (PTFE) products are widely used and classified as follows: 1. General materialsVarious rods, tubes, plates, films, belts, ropes, packing, gaskets, and graphite, molybdenum disulfide, aluminum oxide, glass fiber and carbon fiber are used as fillers to improve the mechanical properties of pure polytetrafluoroethylene.2. AnticorrosionPolytetrafluoroethylene membrane is a new material with a large number of pores in it through vertical and horizontal biaxial stretching. It can be compounded with other fabrics to make smoke and dust solid-phase anti-corrosion filter bags or rain gear sports clothes, cold clothes, special protective clothes and light tents with good waterproof, breathable and windproof warmth, pharmaceutical air, compressed air Aseptic filtration of various solvents and filtration of high-purity gas in electronic industry.(1) Pipes and accessories: pure polytetrafluoroethylene pipe; PTFE inner liner; Wrapped with glass steel pipe; Steel composite flange(2) Chemical vessel lining: PTFE lined kettle; Teflon lined tank; PTFE lined tower;(3) Heat exchanger(4) Corrugated expansion pipe(5) Main components of valves and pumps(6) Steel wire reinforced full pressure hose(7) Filter material.3. Sealing class(1) Static seal: sandwich gasket; Setting belt; Elastic sealing tape;(2) Dynamic seal (packing and annular seal): V-shaped seal body – used for shaft, piston rod and valve; Turbine pump inner seal; Composite sealing ring of polytetrafluoroethylene and rubber; Retractable mechanical seal with bellows.4. Load bearing class(1) Filled PTFE bearing, used in food, chemical, papermaking and textile machinery(2) Porous copper impregnated fluoroplastic metal bearing can be used normally under high temperature, high pressure, dry friction and vacuum conditions;(3) PTFE fiber bearing is a bearing lining made of PTFE fiber blended with glass fiber or other fibers, which is used for low speed and high load;(4) Filled PTFE piston ring, guide ring, machine tool guide rail and Bridge slider5. Insulation class(1) Class C insulation material for wires and cables;(2) Sheath of stator and rotor water diversion pipe and thermocouple of double water internal cooling turbogenerator;(3) Microwave insulation materials for high frequency and UHF Communication equipment and radar;(4) Printed circuit board, motor and transformer (including gas transformer) insulation materials;(5) Insulating materials for air conditioners, electronic furnaces, various heaters and sulfur hexafluoride circuit breakers6. Anti sticking class(1) Polytetrafluoroethylene glass cloth coating on the hot roll of sizing machine – can avoid the roll sticking phenomenon caused by chemical slurry, and greatly improve the production rate and blank quality(2) Microwave drying conveyor belt in food industry – compared with conveyor belts of other materials, it does not absorb microwave energy and does not stick, so it has the advantages of power saving and cleaning(3) Heat sealing sleeve anti sticking material for polyethylene bag sealing;(4) Anti stick coating – used for kitchen pots, baking molds for baking bread, frozen food storage trays, electric iron bottoms, copier pinch rollers7. Temperature resistance(1) Driving device of microwave oven, such as coupling and roller of microwave oven;(2) Temperature resistant accessories for various refrigerators, air conditioners, oxygen generators and compressors(3) It is applied to the oven tray when the silicon raw material is cleaned and dried. The material is paved on the surface of the tray to avoid the contact between the silicon raw material and metal, and can also have the effect of high temperature resistance and acid-base resistance8. Other classes(1) Human substitute arteries, veins, blood vessels and cardiac membranes;(2) Endoscope, forceps, catheter, trachea;(3) Other tubes, bottles, filter cloth and other medical equipment.

The friction coefficient of PTFE special-shaped parts in the field of mechanical industry is small, and its static friction coefficient is lower than the dynamic friction coefficient. It can be used in low-speed and high load fields, such as civil engineering, chemical industry, bridges and other structural parts, which can solve the expansion and contraction problems caused by thermal expansion and vibration. Specific applications include: (1) Bearing sleeves of anti pollution machinery (such as textile, papermaking, pharmaceutical and food machinery); (2) Machinery for conveying alkali, solvent and other non lubricating liquids (such as mixer, dyeing machine and pump); (3) Shaft sleeves working in corrosive environments such as acid and alkali (such as electroplating bath and chemical equipment); (4) Oil prohibited lubrication (such as oxygen making equipment); (5) Yuan oil lubrication (such as ultra-low temperature refrigerator and liquid fuel pump); (6) Sliding parts working in the environment with poor oil lubrication effect (plus high-temperature dryer, furnace platform and furnace conveyor belt); (7) Sliding part (movable support) under low speed and high load. Shanghai Youzi Plastic Co., Ltd., founded in August 2006, is an industrial enterprise specializing in polytetrafluoroethylene products (also known as PTFE). PTFE products and PTFE gaskets are widely used in hardware, machinery, electronics, valves, petrochemical industry, aviation and other fields. The technical indicators of the products meet the technical quality standards of industrial countries such as Germany, the United States and Japan, And adhere to the Teflon product certification updated every year, such as RoHS, FDA, etc.

Expanded sheet sheet is a structural modified polytetrafluoroethylene high elastic soft gasket manufactured by advanced production technology, which provides high-quality raw fiber function to solve the problems of creep relaxation and cold flow existing in ordinary polytetrafluoroethylene plates. Zd-gs1620 exceeds imported expanded polytetrafluoroethylene plates and various imported modified polytetrafluoroethylene filler plates in many performance aspects. A large number of application performance has proved, Zd-gs1620 is a structural modification material that can completely replace imported polytetrafluoroethylene, and its price is reasonable and has a high cost performance ratio. It has excellent properties of creep resistance, cold flow resistance, ultra-low temperature resistance, pollution-free, easy installation and replacement. Performance characteristics of hard expanded teflon plate: 1. 100% pure polytetrafluoroethylene, good chemical resistance. 2. The molecular structure is multidirectional arrangement. In addition to all the advantages of ordinary tetrafluoro, it also has cold flow resistance and creep resistance. 3. It can be used to seal interfaces with different hardness. (1) Rigid metal interface (generally 3mm) (2) FRP interface (generally 3mm) (3) Plastic lining interface (used below DN300 caliber) (4) Tangci, used on steel lined glass interface. 4. Zd-gs1620 has good leakage resistance, and the gas leakage rate is 1 × Below 10-4, it can be used for the sealing of corrosive gases, such as chlorine, vinyl chloride, etc., to help many large caustic soda plants and chlor alkali plants solve the leakage of chlorine and other gases. It is the only high-performance domestic material with two uses of chlorine in China, and has a good reputation in the chlor alkali industry. 5. Zd-gs1620 hard expanded teflon plate is a turning plate with good flatness. 6. The following five media are not available: (1) Molten alkali metal solution (2) Hydrofluoric acid under high temperature and high pressure (3) Strong fluorinated medium (such as chlorine trifluoride, uranium hexafluoride, etc.) (4) Gaseous fluorine, liquid fluorine. (5) Nuclear level I, nuclear level II and nuclear level III equipment cannot be used on nuclear pipelines (reason: polymer chain structure of polytetrafluoroethylene, high chain structure of nuclear radiation impact section)   In order to meet the needs of customers for high-quality PTFE gaskets, we have introduced some foreign famous brands of expanded PTFE plates and modified PTFE plates with excellent performance, such as Gore, Garlock, valqua, temac, etc., which can be referred to as expanded PTFE plates   Industries using hard expanded tetrafluoro plates: chemical, petrochemical, oil refining, chlor alkali, acid making, phosphate fertilizer, pharmaceutical, pesticide, chemical fiber, dyeing, coking, coal gas, organic synthesis, non-ferrous smelting, steel, atomic energy and high-purity product production (such as ion-exchange membrane electrolysis), viscous material transportation and operation, food, beverage and other processing and production departments with highly stringent health requirements. Zd-gs1620 is applicable to various fluids under high pressure and temperature and harsh sealing conditions, such as strong acids, strong alkalis, gases, solvents, hydrocarbons, water, chlorine, aluminum fluoride, hydrogen oxide, etc. it has good performance in petrochemical, caustic soda, chlor alkali, shipbuilding and other industries.   Equipment used: sealing parts at flange connections of pipes, valves, pumps, pressure vessels, heat exchangers, condensers, generators, air compressors, exhaust pipes, refrigerators, etc   Specification and size of hard expanded teflon plate: one thousand two hundred and fifty × 1250㎜、1500 × 1500㎜ Standard thickness: 0.5, 1.0, 1.5 mm, 2.0 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm Plates of other sizes or gaskets of various sizes can be made according to customer requirements Color: this white. Density: 1.85-1.92cm3/s PH value: 0 ~ 14. Service pressure: below 10 MPR Operating temperature: -100 ℃ ~ +260 ℃ PV value (maximum pressure × Temperature): 2mm thickness, 10000 (bar × ℃） PV value (maximum pressure × Temperature): 3mm thickness, 8000 (bar × ℃） FDA compliance: compliance

Isotank (tank container) international standard tank is a stainless steel pressure vessel installed in a fastened external frame. The tank liner is mostly made of 316 stainless steel. Most tanks have steam or electric heating devices, inert gas protection devices, pressure reducing devices and other optional equipment required for fluid transportation and loading and unloading. A container used for transporting liquid goods such as alcohol, oil, liquid food, chemicals, etc. It is mainly composed of liquid tank and frame. The liquid tank is oval or approximately spherical and adopts double-layer structure. The inner wall is made of stainless steel; Or made of other rigid materials, but it needs to be coated with a layer of epoxy resin to prevent the corrosion of liquid goods. The outer wall is made of thermal insulation material. Generally, there is a round loading port on the tank top and a unloading valve on the tank bottom. There are high-pressure liquid tank, low-pressure liquid tank, thermal insulation liquid tank, liquid tank with heating device, etc. The frame is made of high-strength steel, and the liquid tank is placed in the middle of the frame. The handling, loading, unloading and storage of tank containers shall be in a special place and equipped with special fire safety equipment. Classification – the United Nations International Maritime Organization (IMO) and its international maritime dangerous goods code (IMDG) classify such tanks into the following categories: (1) IMO type 0 Non dangerous goods, non-toxic and non corrosive goods with a flash point of more than 61 ℃, goods outside the embargo list of international executive agencies, liquid food, but alcoholic drinks with a flash point of more than 21 ℃ or an alcohol content of more than 25% shall be transported in IMO 1 tank containers and unloaded from the bottom of the tank. (2) IMO type 1 Tank container of dangerous goods, with maximum allowable working pressure of more than 1.75 bar, carrying liquid chemicals with flash point lower than 0 ℃, some chemicals with high toxicity or corrosivity, spontaneous combustion goods, dangerous goods in case of humidity, goods with self oxidation, liquid goods with sealing pressure not exceeding the allowable pressure of the tank, and tanks carrying corrosive and unstable goods, It shall be made of special steel and the necessary lining shall be considered. The sum of the water vapor pressure in the tank at 65 “C and other partial pressures resulting therefrom and 0.35 kg / cm shall not exceed the design pressure of the tank body, and the materials can be discharged from the tank bottom or top. (3) IMO type 2 For the tank container of sub dangerous goods, the maximum allowable working pressure is greater than 1.0 bar and less than 1.75 bar, the liquid goods with flash point of 0 ℃ to 61 ℃ and no other dangers, some chemicals with low danger, toxicity or corrosivity, and the liquid goods with sealing pressure lower than 172.4 kPa but not exceeding the allowable working pressure of the tank body shall be unloaded from the tank bottom. (4) IMO type 4 Road tank car with type 1 or type 2 box. (5)IMO type 5 Liquid gas tank is used to transport non refrigerated liquefied gas or low risk normal temperature chemicals, which are unloaded from the tank bottom. (6) IMO type 6 Road tank car with type 5 box. (7) IMO type 7 Refrigerated liquid gas tank with thermal insulation layer is used to transport refrigerated liquefied gas or low-temperature liquefied gas and liquid perishable goods requiring temperature control, and is unloaded from the tank bottom. (8) IMO type 8 Road tank car with type 7 box. The portable tank guide is applicable to dangerous goods that are allowed to be transported in portable tanks. Each portable tank guide consists of English letter T and Arabic numerals (T1 to – 175). Each guide represents a technical specification. Advantages — in addition to all the advantages of containerized transportation, compared with the transportation mode of “several drums are loaded into one dry goods standard container”, it has many advantages, such as economy, convenience, safety, environmental protection, beauty and so on. 1、 Economic benefits: For example, a 20 foot container tank (24000 liters) can carry 45% more liquid goods than a 20 foot standard dry container full of drums. That is, “more shipments at the same freight” reduces the land transportation and sea transportation costs per unit of goods. In addition, the use of tank containers can save the purchase and disposal costs of drums. These are two direct cost savings in the transportation process. 2、 Shortcut: The use of tanks and boxes will not have expensive and time-consuming process of small barrel flushing and loading and unloading. The transportation mode can be directly changed between highway, railway and water transportation. The operation is simple, fast and in one step. It can truly achieve “door-to-door” transportation. 3、 Increased security: Tank transportation is internationally recognized as the safest mode of transportation of chemicals and food. In the process of distributing chemicals and food to various places, compared with other modes, it is a unique means of transportation without running, emitting, leakage and avoiding the pollution of goods.

The transportation process completed by two or more means of transportation connected and transferred to each other is collectively referred to as composite transportation, which is customarily called multimodality. 1. Unified responsibilities and simple proceduresUnder the mode of multimodal transport, no matter how far the whole transport distance is, no matter how many different means of transport need to be used, and no matter how many transformations have to be made on the way, all transport matters are handled by the multimodal transport operator, and the cargo owner only needs to handle one consignment, sign one contract, pay a single freight for the whole process and obtain a multimodal transport document, To fulfill all responsibilities. Due to the unity of responsibilities, once a problem occurs, it can be solved by looking for the multimodal transport operator. Compared with the segmented consignment of a single mode of transportation and multi head responsibility, the procedures are not only simple, but also the responsibility is more clear.2. Reduce intermediate links, shorten freight time, reduce cargo damage and difference, and improve freight qualityMultimodal transport is usually a direct and continuous transportation with containers as the medium. The goods are packed from the consignor’s warehouse, checked and sealed, and then directly transported to the consignee’s warehouse for delivery. There is no need to unpack and tamp in the middle, reducing many intermediate links. Even after repeated loading and unloading, mechanical loading and unloading are used, which does not touch the goods in the box at all, and the accidents of cargo damage, cargo difference and theft and loss are greatly reduced, So as to better ensure the safety and quality of goods. In addition, due to the continuous transportation, the close cooperation and compact connection between various transportation links and various means of transportation, the rapid and timely transfer of goods wherever they go and the reduction of in transit residence time, it can better ensure the safe, rapid, accurate and timely delivery of goods to the destination.3. Reduce transportation costs, save transportation and miscellaneous expenses and facilitate trade developmentMultimodal transport is an effective way to realize “door-to-door” transportation. For the cargo side, after the goods are packed or loaded on the first means of transport, the intermodal documents can be obtained for foreign exchange settlement. The time of foreign exchange settlement is early, which is conducive to accelerating the capital turnover of goods and reducing interest expenses. The use of container transportation can also save the cost of goods packaging and insurance. In addition, multimodal transport uses a single transport document and single freight throughout the whole process, which greatly simplifies the document preparation and settlement procedures and saves a lot of manpower and material resources. In particular, it is convenient for the cargo party to calculate the transportation cost in advance and select a reasonable transportation route, which provides favorable conditions for trade.4. An effective way to realize “door-to-door” transportationMultimodal transport integrates various modes of transportation, develops strengths and avoids weaknesses, and forms direct and continuous transportation. It not only shortens the transportation mileage and reduces the transportation cost, but also accelerates the freight turnover and improves the freight quality. It is an effective way to organize reasonable transportation and achieve the best economic effect. In particular, multimodal transport can directly transport goods from the consignor’s mainland warehouse to the consignee’s mainland warehouse, which lays a favorable foundation for realizing “door-to-door” direct and continuous transportation. In industry, automatic mass production is through automatic production line, so multimodal transport can be said to be a multimodal transport production line for mass production.

In 2018,Wencheng started the business of CNC Machining based on the accumulated experience of in precision machining in previous time.We could OEM a series of metal such as stainless steel, carbon steel, iron, brass, aluminum, cast iron etc. The service fields include aerospace, vehicles, large machinery, hardware and chemical industry, oil and gas pipeline, logistics and so on. From incoming materials to shipment, we strictly follow the iso2015 quality management system to ensure delivery on time, quality and quantity. Automatic production, large quantity and excellent price. It is easy to improve the assembly efficiency by 30% with 6 engineers’ CNC lathe.

Polytetrafluoroethylene (PTFE) products are widely used and classified as follows:1. General materialsVarious rods, tubes, plates, films, belts, ropes, packing, gaskets, and graphite, molybdenum disulfide, aluminum oxide, glass fiber and carbon fiber are used as fillers to improve the mechanical properties of pure polytetrafluoroethylene.2. AnticorrosionPolytetrafluoroethylene membrane is a new material with a large number of pores in it through vertical and horizontal biaxial stretching. It can be compounded with other fabrics to make smoke and dust solid-phase anti-corrosion filter bags or rain gear sports clothes, cold clothes, special protective clothes and light tents with good waterproof, breathable and windproof warmth, pharmaceutical air, compressed air Aseptic filtration of various solvents and filtration of high-purity gas in electronic industry.(1) Pipes and accessories: pure polytetrafluoroethylene pipe; PTFE inner liner; Wrapped with glass steel pipe; Steel composite flange(2) Chemical vessel lining: PTFE lined kettle; Teflon lined tank; PTFE lined tower;(3) Heat exchanger(4) Corrugated expansion pipe(5) Main components of valves and pumps(6) Steel wire reinforced full pressure hose(7) Filter material.3. Sealing class(1) Static seal: sandwich gasket; Setting belt; Elastic sealing tape;(2) Dynamic seal (packing and annular seal): V-shaped seal body – used for shaft, piston rod and valve; Turbine pump inner seal; Composite sealing ring of polytetrafluoroethylene and rubber; Retractable mechanical seal with bellows.4. Load bearing class(1) Filled PTFE bearing, used in food, chemical, papermaking and textile machinery(2) Porous copper impregnated fluoroplastic metal bearing can be used normally under high temperature, high pressure, dry friction and vacuum conditions;(3) PTFE fiber bearing is a bearing lining made of PTFE fiber blended with glass fiber or other fibers, which is used for low speed and high load;(4) Filled PTFE piston ring, guide ring, machine tool guide rail and Bridge slider5. Insulation class(1) Class C insulation material for wires and cables;(2) Sheath of stator and rotor water diversion pipe and thermocouple of double water internal cooling turbogenerator;(3) Microwave insulation materials for high frequency and UHF Communication equipment and radar;(4) Printed circuit board, motor and transformer (including gas transformer) insulation materials;(5) Insulating materials for air conditioners, electronic furnaces, various heaters and sulfur hexafluoride circuit breakers6. Anti sticking class(1) Polytetrafluoroethylene glass cloth coating on the hot roll of sizing machine – can avoid the roll sticking phenomenon caused by chemical slurry, and greatly improve the production rate and blank quality(2) Microwave drying conveyor belt in food industry – compared with conveyor belts of other materials, it does not absorb microwave energy and does not stick, so it has the advantages of power saving and cleaning(3) Heat sealing sleeve anti sticking material for polyethylene bag sealing;(4) Anti stick coating – used for kitchen pots, baking molds for baking bread, frozen food storage trays, electric iron bottoms, copier pinch rollers7. Temperature resistance(1) Driving device of microwave oven, such as coupling and roller of microwave oven;(2) Temperature resistant accessories for various refrigerators, air conditioners, oxygen generators and compressors(3) It is applied to the oven tray when the silicon raw material is cleaned and dried. The material is paved on the surface of the tray to avoid the contact between the silicon raw material and metal, and can also have the effect of high temperature resistance and acid-base resistance8. Other classes(1) Human substitute arteries, veins, blood vessels and cardiac membranes;(2) Endoscope, forceps, catheter, trachea;(3) Other tubes, bottles, filter cloth and other medical equipment.