AR AR RUBBER tm owned a name in market of pipe jointing and prevent leaking from pipe by application of rubber gasket and rubber rings. Taper ring is one of the hot rubber products . Taper ring or rubber asbestos gasket are comes without fabric for light duty pipe leakage jointing. we supplied these taper ring or asbestos rubber ring / BIS OR IS FLANGE RING gasket in thermal power plants for thier underground and upper groung water pipe lines. the starting size is 4" OD (100MM) TO 18" OD (450MM) with 5mm thickness to 15mm thick in some cases 25mm thick also needed. for more info on this product just contact with us. ITS MADE OF NITRILE PIPE WITH GRAPHITE COATING.