Original
By certification 
Rubber Gaskets
Rubber is a soft gasket material. A wide range of elastomers can be used, such as neoprene, nitrile, EPDM and natural rubber. Rubber gaskets are used in a wide range of applications such as pipe gaskets, heat exchangers, and manways.
Material |
Hardness |
Temp. |
Application |
Natural rubber |
60+-5 |
-50 ~ 80 |
Inorganic salts, ammonia water, weak acid and alkali |
CR |
70+-5 |
-20 ~ 100 |
Brine, ordinary refrigerant, carbon dioxide, non oxidizing dilute acid, alkali |
NBR |
70+-5 |
-20 ~120 |
Hydraulic oil, inorganic and animal and plant oil, hot water, fuel, fuel, oil, dilute acid, alkali and salt solution at low temp. |
FKM |
70 +- 5 |
-50 ~ 250 |
Hot oil, chmicals, vegetable oil and grease, gas, fuel, ozone, steam, hot water, air, dilute acid |
EPDM |
70+-5 |
-30 ~ 140 |
Water, alcohl, ketone, silicon oil and grease, weak acid |
Silicon rubber |
60 +- 5 |
-40 200 |
Hot air, oxygen, brake oil, water, dilute salt solution, ozone |
