Seal Washer: 1.Material:copper,steel,rubber 2,Temperature:-60 to 500C ... Oil Seal,Rubber Oil Seal,Rubber Seal,Rubber Gasket, O-Ring :Black, red, yellow, brown, white, green, violet ... Oil Seal,Rubber Oil Seal,Rubber Seal or O-Ring and Rubber Gasket is welcomed as well.7. ... Oil Seal,Rubber Oil Seal, O-Ring, Rubber Seal, Rubber Gasket, Rubber Ring, Sealing Ring, Sealing Gasket.Our rubber and PTFE seals: ...