... 4.good sealing performance extruded rubber seals strip for door and windowRubber assorts performance :1.good sealing performance , ... waterproof , anti-age4.it is a recyclable and environmental products Sponge Rubber Foam Rubber Hard Rubber 1.material :Silicone, CR ... , EPDM, Viton, TPE, PVC, NBR, etc2.Durability and environmental production ...