Ethylene-propylene copolymer
Ethylene-propylene rubber is an elastomer prepared from ethylene and propylene monomers (ethylene-propylene copolymer) and sometimes with an amount of one-third (diene) monomer (ethylene-propene-diene-terpolymers).
Ethylene-propylene rubber has a temperature range of -50°C to +120°/150°C (-60°F to +250°/300°F), depending on the curing system. Special degrees can even see higher temperatures.
About EPDM / Ethylene Propylene Diene Monomer
EPDM has great acceptance in the sealing world due to its excellent resistance to heat, water and steam, alkali, mild acid and oxygenated solvents, ozone and sunlight (UV). These compounds are also resistant to the effect of brake fluids and Skydrol" and other phosphate ester-based hydraulic fluids. EPDM compounds are not recommended for gasoline, petroleum, and grease environments, and hydrocarbon environments.
Special EPDM compounds have good resistance to steam.
· EPDM-cured sulfur: inexpensive material for normal use, maximum temperature of + 120°C (+ 250°F).
· EPDM Peroxide cured: for hot water, steam, alcohols, ketones, engine coolants, organic and inorganic acids and bases. Not resistant to mineral oils, greases and fuels. For maximum temperatures of + 150°C (+ 300°F).
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