Home O-Rings, washers, extruded solid, sponge rubber, Teflon molded machined, lathe cut, die cut, compression, oak, ratan, chrome leather, transfer, injection molded, Grotenrath Rubber Products, Ohio Grotenrath Rubber Products in Ohio is a distributor of quality rubber products. We can provide O-Rings and washers in a variety of materials, shapes and colors including extruded solid, sponge rubber, Teflon molded or machined, lathe cut, die cut, compres