? Tire, capsules, rubber, gasoline and tires, rubber brake, brake ring hollow tires, balloons, elastic tires and other rubber products developed. First, the factory producing all kinds of silicone rubber, fluoro rubber, nitrile rubber, polyurethane, PTFE, POM and nylon seals. Our portion of the seal has been replaced by imports, its performance has reached international standards, the trip logic 520 kilometers, carrying the four hundred thousand times no diarrhea, no seepage. Our production Hunger sealed treasure Shamban sealing, willing you to solve sealing problems. Various seals mold performance parameters: Performance Unit Value Test method Melting point ° C 223-225 ° Density g / cm3 1.15-1.16 HG2-144-65 saturated absorption $ 0.7-1.2 5.5-6.5% average molecular weight 5-10x10 4 linear expansion coefficient ° C-1 4-705 -5 GB1036-70 heat distortion temperature ° C 170-200 HG2-1170-77 Brinell hardness KG / mm3 10-26 DIN53456 tensile strength kgf / cm2 750-1000 GB1040-70 Elongation at break% 20-30 GB1040-70 tensile elastic modulus kgf / cm2 40x10 3 HG2-149-65 bending strength kgf / cm2 1400-1700 GB1042-70 compressive strength kgf / cm2 1000-1400 GB1041-70 impact strength kgf / cm2 400-630 GB1043-70 shear strength kgf / cm2 740-810 ATM-D732 breakdown voltage kr / mm 15.0-23.6 HG2-156-65 dielectric constant (Hz) 3.4 Dielectric loss (50) line rather volume resistivity of 4.5x10 -3 cm 1013-10 15 GB1044-70 two destroyers, Introduction 1.O-ring series has a fluorine rubber, nitrile rubber, silicone and other materials, which are widely used in various mechanical resistance various types of petroleum-based oils and a variety of chemical mediators: the use of non-plastic types can meet -60 ℃ - 300 ℃ temperature region, the use of a pressure range: <10MPa (hydraulic), <1MPa (pneumatic) <16MPa (static seal) Ding Clear plastic and resistant to gasoline distribution (90,93,97) expansion rate to zero. 2.Y-ring owned fluorine rubber, nitrile rubber, chloroprene rubber and other materials, which are widely used in hydraulic, mechanical, pneumatic and other industries. A petroleum-based oil-resistant species has excellent abrasion resistance, use of different types of plastic can meet -60 ℃ - 300 ℃ in the temperature region. 3. The silicone rubber series is equipped with advanced testing equipment, clean dust-free workshop. Our products are widely used in electronics, food and other industries. Choose a variety of plastic types of domestic and imported silica gel, using the temperature can meet the -60 ° - 300 ° C, the product may meet resistance to oil, steam, medical, food full transparency, high strength, flame retardant, conductive silicon rubber. 4. fluorine rubber products company producing fluorine rubber products, widely used in automotive, shipbuilding, military, electronics and other industries, operating temperature -40 ℃ 300 ℃, can fuel resistance, high temperature, Freon resistance, overheating water, steam, and excellent chemical resistance, welcome customers to buy custom. 5. Teflon PTFE gasket products with a high temperature, corrosion resistance, both he and concentrated acids, bases or strong oxidizing agents do not play a role at high temperatures, it has been widely used as a sealing material, applies to pipes, flanges, reactors, valves and seals on the container. Special parts produced according to user design drawings. 6. profiled various miscellaneous pieces of material selection nitrile, natural, fluorine rubber, silicone, etc., are widely used in automobiles, machinery, valves and other industries, the use of different types of plastic can meet -50 ℃ - 250 ℃ in the temperature region. Product wear and flex, and can be produced in accordance with the requirements of the design needs. Third, the material selection: O-ring Material Type Temperature Performance Notes describe the main raw material nitrile rubber Temperature: - 40 ~ 121 ℃ oil Nitrile (Buna-N) Viton Temperature: - 26 ~ 204 ℃ high temperature, strong corrosion resistance, anti- Electrostatic FKM (VITON) Viton Temperature: - 28 ~ 204 ℃ high temperature, strong corrosion resistance, antistatic AFLAS EPR temperature: -30 ~ 150 ℃ temperature, corrosion-resistant silicone rubber EPDM Temperature: - 43 ~ 210 ℃ Resistance high temperature, anti-static Silicone Neoprene Temperature: - 62 ~ 232 ℃ abrasion, temperature Chloroprene (Neoprene) oversaturated nitrile Temperature: - 40 ~ 162 ℃ oil, temperature Highly Saturated Nitrile (HSN, HNBR) PTFE Ethylene Temperature: - 100 ~ 200 ℃ high temperature resistance, corrosion resistance strong, anti-static (Teflon) Polyurethane Temperature: - 53 ~ 93 ℃ abrasion resistance, oil, non-toxic Urethane (Polyurethane) fluorinated silicone rubber temperature: --62 ~ 204 ℃ temperature, corrosion resistance Fluorosilicone (FVMQ) tetrafluoroethylene outer composite O-ring FEP / silica core Shore hardness (A ± 5 °): 90 Temperature: - 60 ~ 205 ℃ FEP / fluorine rubber core Shore hardness (A ± 5 °): 90 Temperature: - 73 ~ 205 ℃