Environmental Resistance Properties

RESISTANCE TABLES
E = Excellent G = Good F = Fair P = Poor

PHYSICAL PROPERTIES

  Natural Rubber SBR Butyl Butadiene EPDM Neoprene Nitrile Urethane Silicone Hypalon Fluorocarbon Epichlorohydrine
Impermeability to gases F F E F F F-G G P-F P-F G G-E E

ENVIRONMENTAL RESISTANCE PROPERTIES

  Natural Rubber SBR Butyl Butadiene EPDM Neoprene Nitrile Urethane Silicone Hypalon Fluorocarbon Epichlorohydrine
Oxidation resistance F-G F-G E F-G G-E G-E F-G G-E E E E G-E
Ozone resistance P P G-E P E G P E E E E E
Weathering resistance F F E F E G F-G G-E E G-E E G-E
Sunlight resistance P-F F E F E G-E P-F G-E E E E G-E
Water resistance E G-E E E E G G-E G G G G-E G
Flame retardance P P P P P G P P-G F-G G G-E F-G
Heat resistance F F-G G P-F G-E F-G G F-G E G E G-E
Low temperature flexibility G-E G F-G G-E G-E F F-G G E F F-G F-E

CHEMICAL RESISTANCE PROPERTIES

  Natural Rubber SBR Butyl Butadiene EPDM Neoprene Nitrile Urethane Silicone Hypalon Fluorocarbon Epichlorohydrine
Oil and gasoline P P P P P F-G G-E G-E P-F F-G E G-E
Animal and vegetable oils F F G-E F G G G-E G F-G G E G-E
Alcohols G G G G F-G G-E F-G F-G G G-E F-E G
Alkalies F F E F G-E E G-E P P E F-G F-G
Acids F-G F-G G-E F-G G G G P-F G G E G-E
Aliphatic hydrocarbon solvents P P P P P G E G P-F G E G-E
Aromatic hydrocarbon solvents P P P P P P-F F-G P-F P-F P-F E G
Oxygenated solvents G G G-E G G-E P-F P P F F P P-F