Ethylene-Propylene-Diene Monomer A flat ring made of rubber or plastic, used as a gasket. Ethylene-Propylene-Diene Monomer high polymer systems: The high polymer material has does not burn smokelessly; Non-toxic, clean health; Does not have the condensation, not to have the condensed water; The sound absorption sound-insulated, does not need the damper; Does not absorb water, water-proof, the ...
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