FLUID COMPATIBILITY TABLE									


FLUID				Natural	NeopreneNitrile	EPT	Poly-	Viton*	Hypalon*Butyl	Silicone
				Rubber				urethane				

Acetic Acid (30%)		B	C	B	A+	C	B	B	A	A
Acetone				B	B	C	A	C	C	B	A	B
"Air, ambient"			B	A	A	A	A	A	A	A	A
"Air, Hot (930C)"		C	C	A	A	B	A	A	A	C
"Air, Hot (2040C)"		C	C	C	C	C	B	C	C	C
"Alcohol, ethyl"		A	A	A	A	B	B	A	A	A
"Alcohol, methyl"		A	A+	A	A	C	C	A	A	A
"Ammonia, anhydrous"		C	A	C	A	C	C	B	A	C
"Ammonia, gas (hot)"		C	B	C	B	C	C	B	C	B
Beer (beverage)			A	A	B	A	C	A	A	A	A
Benzene				C	C	C	C	C	A	C	C	C
Black Liquor			B	B	A	B	C	A+	C	C	C
Blast Furnace Gas		C	C	B	C	C	A	C	C	A
Brine (calcium chloride)	A	A	A	A	A	B	A	A	A
Butadiene Gas			C	B	C	C	C	B	B	C	C
"Butane, gas"			C	A	A+	C	B	A	A	C	C
"Butane, liquid"		C	B	A	C	C	A	C	C	C
Carbon Tetrachloride		C	C	C	C	C	A	C	C	C
"Chlorine, dry"			C	C	C	C	C	A	C	B	C
"Chlorine, wet"			C	C	C	C	C	A	C	C	C
Coke Oven Gas			C	C	B	C	C	A+	B	C	B
Ethyl Acetate			C	C	C	B	C	C	C	B	B
Ethylene glycol			A	A	A	A+	B	A	A	A	A
Freon 11			C	B	A	C	C	A+	A	C	C
Freon 12			B	A+	A	B	A	B	A	B	C
Freon 22			C	A+	C	A	C	C	A	A	C
Freon 114			A	A	A	A	A	B	B	A	C
Gasoline			C	B	A+	C	B	A	B	C	C
Hydrogen Gas			B	A	A	A	A	A	A	A	C
"Hydrogen Sulphide, dry"	B	A	C	A+	B	C	A	A	C
"Hydrogen Sulphide, wet"	C	B	C	A+	C	C	C	A	C
Jet Fuel (JP-4)			C	C	A	C	B	A	C	C	C
Methylene Chloride		C	C	C	C	C	B	C	C	C
Milk				A	A	A+	A	C	A	A	A	A
Natural Gas			C	A	A+	C	B	A	A	C	C
Natural Gas + H2S (sour gas)	C	A	B	C	B	C	A	C	C
"Natural Gas, Sour + Ammonia"	C	B	B	C	C	C	B	C	C
Naphthalene			C	C	C	C	B	A	C	C	C
Nitric Acid (10%)		C	B	C	B	C	A	B	B	B
Nitric Acid (50 to 100%)	C	C	C	C	C	A	C	C	C
Nitric Acid Vapour		C	B	C	B	C	A	B	B	C
Nitrogen			A	A	A	A	A	A	A	A	A
Oil (fuel)			C	B	A+	C	C	A	A	C	C
Ozone				C	B	C	A	A	A	A	B	A
Paper Stock			C	B	B	B	C	A	B	B	C
Propane				C	A	A	C	B	A	A	C	C
Sea Water			B	B	A	A	B	A	B	A	B
Sea Water + Sulphuric Acid	C	B	C	B	B	A	B	B	C
Soap Solutions			B	A	A	A	A	A	A	A	A
Steam				C	C	C	B	C	C	C	B	C
Sulphur Dioxide			C	A	C	A+	B	A	C	B	A
Sulphuric Acid (to 50%)		C	B	C	B	B	A	B	B	C
Sulphuric Acid (50 to 100%)	C	C	C	B	C	A	C	B	C
Water (ambient)			A	A	A	A	A	A	A	A	A
"Water, (930C)"			C	C	B	A+	C	B	B	B	C
"Water, (1490C)"		C	C	C	B	C	C	C	B	C
"Water, deionized"		A	A	A	A	A	A	A	A	A
"Water, white"			B	B	A	A	B	A	B	A	B

Table:  A = Recommended						* Trademark of DuPont Co
            B = Minor to moderate effect.  Proceed with caution						
            C = Unsatisfactory						
            A+ = Best possible selection