Bber Can Produce Your Custom Industrial Composite Seals and O-Rings, Including: Fluorocarbon Viton, Fluorel, Fluorosilicone, Polyurethane, Millable Gum, Buna N Nitrile, Ep Ethylene-Propylene, Silicone, Polyacrylate, Zetpol, Hnbr, Hydrogenated Nit ...