OTP- Taiwan imported production Theo top seal washers are made of NBR (nitrile rubber) washer, VITON (fluorine rubber) washer, SBR (styrene butadiene rubber), HNBR (hydrogenated nitrile rubber), EPDM (three Ethylene-propylene rubber), SILICONE (silica), CR (neoprene), FFKM (perfluoroelastomer) and so on. Rubber gasket material selection in combination with NBR nitrile rubber of the most widely used, its highest price. And FFKM perfluorinated rubber washers using generally more sophisticated areas, such as areas of space rockets. Because the price is quite expensive, but its performance can be more than a lot of metal materials. Imported rubber washer definition: a rubber ring and metal rings overall vulcanization bonding, sealing rings are used to seal threaded and flanged ring includes a metal ring and a rubber gasket. Gasket means being connected between the pad member and the nut part. Generally flat-shaped metal ring, the connecting member is used to protect the surface from scratches nut, the nut of the pressure being connected to the dispersion member. Nitrile rubber washer, fluorine rubber washer Shape: oblate was a class ring fasteners. Placed between the bolts, screws or nuts with a support surface connected to the part surface, plays an increasing part is connected to the contact surface area, reduce the pressure per unit area and protection of the surface of the connection member is not damaged effect; the other spring washer, also plays back stop nut loose, play the role of shock. Welcome to your visit, if necessary, welcome your call! ! !