SIL silicone rubber sealing ring: SIL silicone rubber sealing ring has excellent heat resistance, cold resistance, ozone resistance, atmospheric aging resistance and good insulation performance, but SIL silicone rubber sealing ring has lower tensile strength than ordinary rubber and does not have Oil resistance; SIL silicone rubber sealing ring is suitable for household appliances such as electric water heaters, electric irons, microwave ovens, etc. SIL silicone rubber sealing ring is also suitable for all kinds of articles that are in contact with human body, such as kettles, water dispensers, etc.; SIL silicon is not recommended. Rubber seals are used in most concentrated solvents, oils, concentrated acids and sodium hydroxide; SIL silicone rubber seals are typically used at temperatures ranging from -55 to 250 °C. IIR butyl rubber sealing ring: IIR butyl rubber sealing ring has excellent air tightness, good heat resistance, sunlight resistance, ozone resistance and good insulation performance; IIR butyl rubber sealing ring for polar solvents such as alcohol, ketone and ester It has good resistance to exposure to animal and vegetable oils or oxidizable oxides; IIR butyl rubber seals are suitable for chemical or vacuum equipment and are not recommended for use with petroleum solvents, kerosene or aromatics. IIR butyl rubber seals are typically used at temperatures ranging from -50 to 110 °C. NBR butyl cyanide rubber sealing ring: NBR butyl cyanide rubber sealing ring is suitable for use in petroleum hydraulic oil, glycol hydraulic oil, diester lubricating oil, gasoline, water, silicon grease, silicone oil and other media; NBR butadiene rubber Seals are currently the most versatile and lowest cost rubber seals; NBR butadiene cyanide seals are not suitable for use in polar solvents such as ketones, ozone, nitrohydrocarbons, MEK and chloroform; NBR butadiene rubber seals The general temperature range is -40~120 °C. FLS fluorosilicone rubber sealing ring: FLS fluorosilicone rubber sealing ring has the advantages of both fluorocarbon rubber and silicone rubber. It is good in oil resistance, solvent resistance, fuel oil resistance and high and low temperature resistance; FLS fluorosilicone rubber sealing ring can resist Erosion of oxygen-containing compounds, aromatic hydrocarbon-containing solvents and chlorine-containing solvents; FLS fluorosilicone rubber seals are generally used for aerospace, aerospace and military applications, not recommended for exposure to ketones and brake fluids; FLS fluorosilicone rubber seals The general operating temperature range of the ring is -50~200 °C. EPDM EPDM rubber sealing ring: EPDM EPDM rubber sealing ring has good weather resistance, ozone resistance, water resistance and chemical resistance; EPDM EPDM rubber sealing ring can be used for alcohols and ketones It can also be used for sealing in high temperature steam environment; EPDM EPDM rubber seal ring is suitable for use in sanitary equipment, car radiator and automobile brake system. EPDM EPDM rubber seal ring is not recommended for food use or exposure. In mineral oil. The general operating temperature range of EPDM EPDM rubber seals is -55~150 °C. CR neoprene seal: CR neoprene seal is particularly resistant to sunlight and weather, not afraid of refrigerants such as dichlorodifluoromethane and ammonia, resistant to dilute acid and silicone grease, but CR neoprene The sealing ring expands greatly in mineral oil with low aniline point; CR neoprene seal is easy to crystallize and harden at low temperature, suitable for various environments exposed to the atmosphere, sunlight and ozone, and various flame and chemical resistant seals. In the link, CR neoprene seals are not recommended for use in chemicals such as strong acids, nitrohydrocarbons, esters, chloroforms and ketones. CR neoprene seals are typically used at temperatures ranging from -55 to 120 °C. ACM acrylate rubber sealing ring: ACM acrylate rubber sealing ring has excellent resistance to oil, high temperature resistance and weather resistance, but mechanical strength, compression deformation rate and water resistance are slightly poor; ACM acrylate rubber sealing ring Generally used in automotive transmission systems and power steering systems, not suitable for use in hot water, brake fluids, phosphate esters; ACM acrylate rubber seals generally use a temperature range of -25 to 170 ° C. NR natural rubber sealing ring: NR natural rubber sealing ring has good wear resistance, elasticity, breaking strength and elongation, but it is easy to aging in the air, it becomes hot and sticky, NR natural rubber sealing ring is in mineral oil or Gasoline is easy to swell and dissolve, alkali resistant but not resistant to strong acid; NR natural rubber sealing ring is suitable for use in automotive brake oil, ethanol and other liquids with hydroxide ions. NR natural rubber sealing ring is generally used in the temperature range - 20~100°C. PU polyurethane rubber sealing ring: PU polyurethane rubber sealing ring has very good mechanical properties, wear resistance and high pressure resistance are far superior to other rubbers; PU polyurethane rubber sealing ring has aging resistance and ozone resistance. Oil resistance is also quite good, but high temperature is easy to hydrolyze; PU polyurethane rubber sealing ring is generally used for high pressure and wear resistant sealing parts, such as hydraulic cylinder, PU polyurethane rubber sealing ring is generally used in the temperature range of -45~90 °C. HNBR hydrogenated butyl cyanide rubber sealing ring: HNBR hydrogenated butyl cyanide rubber sealing ring has excellent corrosion resistance, tear resistance and compression deformation resistance, ozone resistance, sunlight resistance, weather resistance, better than butyl cyanide rubber Anti-wear properties; HNBR hydrogenated butyl cyanide rubber seals are suitable for washing machinery, automotive engine systems and refrigeration systems using the new environmentally friendly refrigerant R134a; HNBR hydrogenated butyl cyanide rubber seals are not recommended for use in alcohols, esters or aromatics. In the solution of the family, the general HNBR hydrogenated butyl cyanide rubber sealing ring is used in the temperature range of -40 to 150 °C. VITON fluorocarbon rubber sealing ring: VITON fluorocarbon rubber sealing ring is superior to silicone rubber in high temperature resistance, has excellent weather resistance, ozone resistance and chemical resistance, and has poor cold resistance; VITON fluorocarbon rubber sealing ring for most Oils and solvents are resistant, especially acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal and vegetable oils; VITON fluorocarbon rubber seals are suitable for sealing requirements in diesel engines, fuel systems and chemical plants. VITON fluorocarbon is not recommended. Rubber seals are used in ketones, low molecular weight esters and nitrate-containing mixtures; VITON fluorocarbon rubber seals are typically used at temperatures ranging from -20 to 250 °C. 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