Golden Seal Dubai

EPDM

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EPDM

ETHYLENE PROPYLENE RUBBER (EPR, EPDM)

EPDM is a copolymer of ethylene and propylene, and further a terpolymer of ethylene and propylene with a small amount of a third monomer (usually a diolefin) to permit vulcanization with sulfur. Generally Ethylene Propylene Rubber possesses excellent resistance to ozone, sunlight and weathering, and has very good flexibility at low temperature, good chemical resistance (many dilute acids and alkalis, polar solvents), and good electrical insulation property.

CURE SYSTEM – SULFUR-CURED VS. PEROXIDE-CURED

Standard EPDMs are usually sulfur-cured. Sulfur-cured compounds offer better flexible properties but are more prone to hardening and poorer compression set with high temperature. Peroxide-cured EPDMs have better heat resistance and lower compression set. It complies with long time usage especially for hose system of construction industry, but at the same time is more expensive and more difficult for production than the sulfur-cured.

OTHER COMMON VARIATIONS

GENERAL INFORMATION

SERVICE TEMPERATURES

APPLICATIONS

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