5. Fluoroelastomer
Fluorine rubber has outstanding heat resistance (200 ~ 250 ℃), oil resistance, can be used to manufacture cylinder liner seals, rubber bowls and rotating lip seals, which can significantly improve the service time.

6. EPDM rubber
The main chain of EPDM rubber is a fully saturated straight-chain structure without double bonds, and there are diene Jing on its side chain, so that it can be vulcanized with sulfur. EPDM rubber has excellent aging resistance, ozone resistance, weather resistance, heat resistance (can be used for a long time in 120 ℃ environment), chemical resistance (such as alcohol, acid, strong alkali, oxidant), but not Resistant to aliphatic and aromatic solvents.

EPDM rubber has the lowest density in rubber and has high filling properties, but lacks self-adhesion and mutual adhesion. In addition, EPDM rubber has outstanding steam resistance, and can be used to make sealing products such as steam-resistant diaphragms. EPDM has been widely used in washing machines, accessories in TV sets and sealing products for doors and windows, or in the production of rubber strips for various composite profiles.

7. Polyurethane rubber
Polyurethane rubber has excellent wearability and good airtightness, and the operating temperature range is generally -20 to 80 °C. In addition, it also has moderate oil resistance, oxygen resistance and ozone aging resistance, but not acid and alkali, water, steam and ketones. It is suitable for the manufacture of various rubber sealing products, such as oil seals, O-rings and diaphragms.

8. Chloroether rubber
Chloroether rubber has the advantages of nitrile rubber, neoprene rubber and acrylate rubber. It has good oil resistance, heat resistance, ozone resistance, flame resistance, alkali resistance, water resistance and organic solvent resistance, and has good process performance. Its cold resistance is poor. Under the condition that the use temperature is not too low, chloroether rubber is still a good material for making oil seals, various sealing rings, gaskets, diaphragms and dust covers and other sealing products.

9. Acrylate rubber
Acrylate rubber has heat-resistant oil (mineral oil, lubricating oil and fuel oil), especially oil-resistant stability at high temperature, generally up to 175 °C, and can withstand temperature of 200 °C for intermittent use or short-term use. Its disadvantage is poor cold resistance. Therefore, it is suitable for making oil seals resistant to high temperature oil in non-cold areas, but not suitable for sealing products subjected to tensile or compressive stress at high temperatures.

Methyl Phenyl vinyl silicone Gum