Eastern rubber and engineering enterprises manufactures precision o-rings. O-rings act as double acting seals for static and dynamic application. The following polymer range includes silicon, fkm [viton], nitrile/neoprene, polyurethane [pu], ptfe [teflon] and epdm. Rotary shaft seal [oil seals]: oil seals are of different profiles shaft size - id 4 mm to id 650 mm. Polymer range: silicon, fkm [vi ton] and nitrile.