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Chemical Compatibility Table for Seals

Chemical Agents EPDM Natural rubber SBR Butyl Nitrile (NBR) Hypalon Viton
A = Excellent, B = Good, C = Fair, X = Not Recommended, Blank = Insufficient Information
Acetic Acid 50% A B X B C C X
Acetic Acid. Glacial B X X B X X X
Acetic Ester (Ethyl Acetate) X X B X X X
Acetone A B B A X X X
Acetylene B B B A A B A
Alcohols, Aliphatic B A B A A
Alcohols, Aromatic X C X C
Ammonia, Liquid A B B A A A A
Ammonia, In Water A B B B B B B
Ammonia, Gas (Cold) A A A A A A X
Ammonia, Gas 65°C B C C B C B X
Aniline X X X B X C B
Antifreeze (Ethylene Glycol) A A A A A A A
Aviation Gasoline X X X X A X A
Benzene (Benzol) X X X X X X A
Bleach Solutions A X X B X C B
Bromine X X X X X X A
Bromine Water A A
Butanol, (Butyl Alcohol) A A A A A A A
Calcium Chloride 65°C A A A A A A A
Carbon Tetrachloride X X X X C X A
Castor Oil B B B B A A A
Caustic Soda A B A B B C
(Sodium Hydroxide) 65°
Chlorine Gas Dry X X X X X X B
Chlorine, Water Solutions C C X C X C A
Chromic Acid 38°C C X X C X B C
Citric Acid A A A A A A A
Cresols X X X X X X A
Crude Oil X X X X A X A
Cupric Sulfate A C B A A B A
Cyclohexane X X X X B X A
Detergent Solutions A A A A A A B
Dibenzyl Ether X X X B X X C
Dibutylpthalate A C X B X X B
Diesel Oil 65°C X X X X A C A
Dioctyl Phthalate (DOB) B X X C X X A
Ethylene Glycol 65°C A A A A A A A
Ethyl Ether X X X X C X X
Ferric Chloride 65°C A A A A A A A
Fluorine X X X X X X X
Formic Acid X A A A A A X
Freon 11 X X X X A A A
Freon 12 B X X X B X B
Freon 13 A A A A A A A
Freon 21 X X X X X X X
Freon 22 A X X C X X X
Freon 31 A B B A X B X
Freon 32 X A A A A A C
Freon 112 X X X X B B A
Freon 113 X C B X A A B
Freon 114 A A A A A A B
Freon 115 A A A A A A B
Furfural X X X B X B X
Gasoline, Reg X X X X A X A
Gasoline, Lead Free X X X X A X A
Hexane X X X X A B A
Hydrochloric Acid 37% 52°C B A B A C A A
Hydrochloric Acid 100% C B C B C
Hydrogen Peroxide 10% X X C X C A
Hydrogen Peroxide 90% C X X X X X B
Kerosene A X X X A X A
Liquified Petroleum Gas X X X X A B A
Lubricating Oils X X X X A C A
Methane X X X X A B A
Methyl Alcohol (Methanol) A A A A A A C
Methyl Ethyl Ketone (MEK) B X X B X X X
Methyl Isobutly Ketone (MIBK) B X X B X X X
Naptha X X X X C X A
Natural Gas C X X X A B A
Nitric Acid 10% 79°C C X X B X B X
Nitric Acid 30% To 70% X X X C X X C
Nitric Acid, Red Fuming X X X X X X X
Oxygen,Cold A B B A B B A
Ozone A X X C X A A
Perachloroethylene X X X X X X A
Phenol 52°C' C C C B X C A
Potassium Hydroxide 65°C A A B A B B C
Propane Gas X X X X A A A
Salicylic Acid A A B A A A
Salt Water (Sea Water) A A A A A A A
Sewage B C C C A A A
Skydrol Hydraulic Fluids A X X B X X B
Soda Caustic A A B A B B C
(Sodium Hydroxide) 65°C
Sodium Carbonate 65°C A A A A A A A
Sodium Hydroxide 65°C A A B A B B C
Steam, Under 149°C A X X A X X X
Steam, Over 149°C B X X C X X X
Sulfuric Acid, 25% 65°C B B C B X A A
Sulfuric Acid, 25%/50% 38°C B X A X A
Sulfuric Acid, Fuming X X X X X X X
Tetrachloroethane X X X X X X A
Tetrachlroethelyne X X X X X X A
Tetraethyl Lead X X X X B X A
Toluene X X X X X X A
Trichloroethane X X X X X X A
Trichloroethylene X X X X X X A
Vegatable Oils A X X A A B A
Water, Fresh 82°C X A A A A A A
Water, Salt 62°C X A A A C A A
Whiskey, Wines X A A A A A A
White Liquor X A A A A
White Oil X X X X A X A
Wood Alcohol (Methanol) X A A A A A X
Xylene (Xylol) X X X X X X A
Chemical Agents EPDM Natural rubber SBR Butyl Nitrile (NBR) Hypalon Viton