Graphite Has the Good Property of Good Resistant-corrosion, High Thermal Conductivity and Lower Friction, Good Self-lubrication, the Smaller Expansion. They Can Be Made Into the Seal Faces, Bearings and So On. It is Ideal to Choose It as the Frictional Mating Rings. include Three Types Which are Impregnated Epoxy Resin(h), Impregnated Furan Resin(k), Impregnated Phenol a 1dehyde Resin(f), used for Sealing Face, Shaft Sleeves, Bushes/bearings. Hs Code: