Apple rubber industries supplies rubber o-rings in various types, viz viton, silicone, neoprene, butyl, nitrile, epdm, hypalon, polyacrylic natural, polyurethane, teflon, etc. These o-rings are available as per is, bs, astm, german, swedish, french, italy, japan, imperial standards, metric and inches, etc. Special endless o-rings and gasket more than 1 metre id are available in round, square and rectangular sections.