... precise size. 3.Excellent workmanship. 4.Super materials. 1.excellet performance of waterproof 2.sealing 3 ... blue, red 2) RoHS directive compliant green products3) Available materials: silicone, fluoro silicone, viton(FKM), neoprene, HNBR, ... SBR, AU, ACM, CO; wide range of materials are available 4) All manufacturing processes confirm to the ... & prototyping About ProduceProduct Show Rubber seal gasket