NBR

Restistan to oil,pressure and wear,good elasticity and mechanical strength;applicable to the mediums including water,oil,alcohol,etc from -20^oC to 100^oC

EPDM

Resistant to high or low temperatures, ozone and chemicals;applicable to weak acids with temperatures from -35^oC to 150^oC

Viton

Resistant to heat,oil,medicine and chemical reagents,acid and alkali with medium corrosive degrees;applicable to the corrosive mediums from -20^oC to 180^oC

Silica Gel

Resistant to ozone,aging,acetic acid,ammonia and alcohol;applicable to alcohol, alkali, etc from -50^oC to 210^oC

Chlorinated Rubber

Resistant to Freon,petroleum;applicable to inorganic acid,alkali,running from -30^oC to 130^oC