... function 3Waterproof, anti-fire,heat,oil resistance Rubber capProduct all kinds of Rubber cap Good quality and best prices 1. ... : material for Silicone, NBR, VITON (FKM), Neoprene, HNBR, Natural rubber, ACM EPDM, etc3. All manufacturing processes confirm to the ISO9001 ... or upon your color codes.9. Documents: can provide full set of documents, including PPAP, control plan and PFMEA.10. Applications ...