... Hardness:40-90 Shore A Material:EPDM Product description name : Rubber sealing partsmaterial : EPDM available material : silicone , EPDM , SR , NBR , CR , VITON , HNBR , NR , PU ... range: Our factory is specialize in various forms of silicone rubber sucker , cake trays , nipples , protective covering , facsimile machine loops , self ...