Comparative Properties of Rubber

	Rubber	Silicone	Neoprene	Hypalon (Chlorosulfonated Polyethylene)	EPDM (Ethylene-propylenediene monomer)
Oxidation Resistance	F	E	G	E	E
Heat Resistance	F	O	G	E	E
Oil Resistance	P	F-G	G	G	P
Low Temperature Flexibility	G	O	F-G	F	G-E
Weather, Sun Resistance	F	O	G	E	E
Ozone Resistance	P	O	G	E	E
Abrasion Resistance	E	P	G-E	G	G
Electrical Properties	G	G	P	G	E
Flame Resistance	P	F-G	G	G	P
Nuclear Radiation Resistance	F	E	F-G	E	G
Water Resistance	G	G-E	E	E	G-E
Acid Resistance	F-G	F-G	G	E	G-E
Alkali Resistance	F-G	F-G	G	E	G-E
Gasoline, Kerosene, Etc. (Aliphatic Hydrocarbons) Resistance	P	P-F	G	F	P
Benzol, Toluol, Etc. (Halogenated Hydrocarbons) Resistance	P	P	P-F	F	F
Degreaser Solvents (Halogenated Hydrocarbons) Resistance	P	P-G	P	P-F	P
Alcohol Resistance	G	G	F	G	P

These ratings are based on average performance of general purpose compounds. Any given property can usually be improved by the use of selective compounding.
P = Poor F = Fair G = Good E = Excellent O = Outstanding