... the processing of grinding, kneading, second grinding, moulded forming, baking, impregnation with pressure, second baking, graphitization in ... the processing of grinding, kneading, second grinding, isotropic forming, baking, impregnation with pressure, second baking, graphitization in ... 20um. wear-resistance carbon graphite bearing for non-oil lubricative machine wear-resistance carbon graphite bearing ...