Rubber Metal Co-extrusion 1,FDA,ROHS Certificated. 2,OEM service 3,Ozone resistance,aging resistance,UV resistance Rubber Metal Co-extrusionRubber Metal ... Co-extrusion1, Material:NBR,CR,SBR,EPDM,IIR,NR,EP,Silicone,Viton ... .7, OEM or ODM is welcomed. RUbber sealing Rubber Metal Co-extrusion