Ethelyne Propylene Diene Monomer (EPDM)

EPDM Properties What is EPDM? Ethelyne Propylene Diene Monomer (EPDM) is probably the most water resistant rubber available and this is maintained to high temperatures (up to 180°C in steam for peroxide cures). In addition it has strong acid/alkali resistance and exhibits excellent electrical insulation, compression set, and low temperature properties. Lasting for long periods of time, with proper use, EPDM can act as a less expensive alternative to silicone. Trade names include Buna, Nordel and Keltan. What is EPDM rubber commonly used for? EPDM is an extremely versatile material particularly suitable for outdoor use and has dynamic and mechanical properties between natural and synthetic rubber. It has good resistance to most water based chemicals and to vegetable based hydraulic oils but poor resistance to mineral oils and di-ester based lubricants. The largest market for EPDMs is the automotive industry. Typical applications include hoses, window and door seals, gaskets, washers, belts and o-rings.

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