Buna-NBR:(Nitrile Butadiene Rubber ) has good tensile strength and resistance to abrasion.It is also resistant to hydrocarbon products.It is a good general-service material for use in
water,vacuum,acid,salts,alkalines,fats,oils,greases,hydraulic oils and ethylene glycol. Buna-N can not use for acetone,ketones and nitrated or chlorinated hydrocarbons.
Cold-resisting NBR
-40℃ ~ 100℃
Shot time-45℃
Cold-resistanting NBR:Offer less Oil-Resistance than Buna-NBR.
EPDM
-20 ℃~130℃
Shot time-30℃ ~ 150℃
General EPDM rubber: is a good general-service synthetic rubber used in hot-water, drinks, milk product systems and those containing ketones, alcohol, nitric ether esters and glycerol. But EPDM can not use for hydrocarbon based oils, minerals or solvents.
Acid and alkali-resistanting EPDM
EPDM
Acid-alkali resistanting EPDM: offer Acid-alkali resistant better than General EPDM.
Neoprene
-35℃ ~ 100℃
Shot time-35℃ ~ 113℃
Neoprene is recommended for moderate
acids,oils,fats,greases and solvents. It has good resistance to anhydrous ammonia and alcohlo
Viton
-10 ℃~ 180℃
Viton is a fluorinated hydrocarbon elastomer with excellent resistance to most hydrocarbon oils and gases and other petroleum-based products. Viton can not use for steam service, hot water over 82℃ or concentrated alkalines.
Steamproof viton
5 ℃~ 190℃
Steam-resistant Viton has good Steam-resistance property and can offer Acid-alkali resistant better than Viton.
Silicon
-40℃~180℃
Silicone Rubber has good resistance to high
temperature and low temperature and its chemical is stable. It is recommended for foods,strong acids and weak alkalis.
PTFE
(Inner liner EDPM)
-5℃ ~ 110℃
PTFE has good chemical performance stability and surface will be not sticky.
At the same time, it has good lubricity property and aging resistance. It is a good material for use in acids, alkalis, oxidant and other corrodents.
