... , Natrual rubber,Neoprene,Nitrile,SBR,CR,Slicone.etc.5) Stable extrusion for closed cell EPDM.NBR,CR and Silicone.6) Meet UV ... industry specifications1) Automotive: door, trunk, truck cap, window seals spacers for wheel wells, window weather stripping2) Buiding products: curtain wall frames ...