Profile: K P M Plasto Rubber Co manufactures various products such as O-rings, aluminum & bakelite bonded butterfly valve seats, bellows, bushes, casing rubbers, socket caps, start washers, dust covers, mounts, cup seals, cushioning balls, diaphragms, diffusers, gaskets, grommets, guide washers, knife edge gate valve seats and metal bonded bushes. Our testing facilities include tensile strength, hardness, compression set resistance, heat aging tests and tear strength.