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Purchase Virgin PTFE Filling Sheet With Carbonfiber Glassfiber Polyamide Polyphenyl Graphite Price Suppliers Manufacturers In China,PTFE Filling Sheet
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Black graphite/ carbon filled PTFE molded sheet：Produced by compression molding processing, moulding, sintering, cooling of suspension PTFE resin into pure sheets and filled sheets (color, copper powder, glass fiber, graphite, carbon fiber, black, carbon powder,polyphenylene, anti-static plates, etc).Filled PTFE material:Glass Fiber:Increases compressive strength, rigidity and wear.Reduces creep and cold flowMinimal effect on chemical and electrical propertiesCarbon:Increases compressive strength, hardness, wear, and load properties.Good chemical resistanceVarious types and amounts of carbon can be added to alter conductivityGraphite:Reduces coefficient of frictionReduces initial wearIncreases strengthMolybdenumDisulfide:Increases hardness, stiffness, and wearMinimal effect on chemical and electrical propertiesPolybenzoate:Improve the creep resistance, dimensional stability,high temperature; Bronze: Increases hardness and wear resistanceIncreases dimensional stability and compressive strengthNot suitable for corrosive or electrical applicationsSilicon Disulfide:Improve wear resistance,dimensional stability and chemical resistanceProduct features:1.Low temperature and high temperature resistance (-190 ℃- +250 ℃) 2.corrosion resistance , weather resistance 3.high lubricity, no adhesion 4.non-toxic, 5.non-flammable 6.acid and alkali resistance (except molten alkali metals) 7.antioxidant.Application:1.Low temperature and high temperature resistance (-190 ℃- +250 ℃) 2.corrosion resistance , weather resistance 3.high lubricity, no adhesion4.non-toxic, 5.non-flammable 6.acid and alkali resistance (except molten alkali metals) 7.antioxidant.Specifications:CategoriesLength(mm)Width(mm)Thickness(mm)Molded sheet3003002~1004004002~1004504502~1005005002~1006006002~1008008002~100100010002~100120012002~100150015002~50180012002~50180018002~50200010002~50Note: we could make irregular or not included sizes according to requirement of customers.Product Property:Property Unit Pure PTFE ResultTensile strength MPa ≥15.0 Ultimate elongation % 150 ～400 Apparent density g/cm 3 2.1～2.3 Dielectric strength KV/mm ≥10Resistance of surface (Working voltage 500V) Ω3.7 x 1016PTFE Introduction:Polytetrafluoroethylene (PTFE or Teflon) is commonly known as "plastics King", usually been called "Teflon" "Thai Teflon" in China. It is formed by polymerization of tetrafluoroethylene polymer, and has excellent chemical stability, corrosion resistance, tightness, high lubricity and non adhesion, electrical insulation and good aging resistance endurance. It is resistant to almost all chemicals even boiled in aqua regia, except molten metal sodium and liquid fluorine, and the long term working temperature can be ranged from + 250℃ to-180℃. It is one of the best corrosion resistant materials in the world, it can be used in any chemical medium. Problems in chemical, petroleum, pharmaceutical and other fields have been solved since PTFE is extensively applied. PTFE seal products, sealing rings, gaskets are produced by molding and mechanical processing of suspension polymerization PTFE resin. Compared to other plastics, PTFE is resistant to chemical corrosion and temperature, and has been widely used in sealing and filler materials. PTFE products are generally applied to pipelines, vessels, pumps, valves with high performance requirements of corrosion resistance and high frequency communication equipment, radar, radio equipment, etc. Dispersion liquid can be used as material of insulation impregnating liquid and corrosion protection layer on the surface of metal, glass, ceramics and so on. PTFE rings, gaskets, packings are extensively used in various types of flange seal of anti-corrosion pipelines. At present, various PTFE products played an important role in the fields of the national economy in chemical industry, machinery, electronics, electrical appliances, military industry, aerospace, environmental protection and bridge.PTFE Properties:Item Unit Standard Density g/C㎡ 2.14～2.2 Softening Temperature ℃ 327Tensile Strength MPa 13.72～34.3Elongation % 150～400Compression Pressure MPa 12Impact Strength (bracket) Kg-Cm/C㎡ 16.3Shore Hardness － D50～55Flexural Modulus 10３Kg/C㎡ 3.5～6.3Dynamic Friction Coefficient － 0.1〔7Kg/C㎡ 3m/min〕Thermal Conductivity 10-４cal/M•sec℃ 6 Specific Heat Cal/℃g 0.25Linear Expansivity 10-５/℃ 10Heat Deflection Temperature 18.5kg/C㎡℃ 55No-load Highest Operating Temperature ℃ 260Volume Resistance Ω.Cm ＞1018Breakdown Voltage Kv/mm 19Dielectric Constant60Hz～10６Hz － ＜2.1Dielectric Loss 60Hz～10６Hz － ＜2.1x10-４Arc Resistance Sec ＞300Water Absorption % 0Flammability － V-0Oxygen index － ＞95Weather Resistance － OptimalDirect Sunlight Effects － N/AAcid and Alkali Effects － N/ANote: the above test value is according to ASTM standards.Warehouse: url:http://www.conceptfechina.com
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