... ,stone,pottery,etc 3.Passed ISO9001:2000 Diamond buffing paste for pottery1.Good lubrication,cooling performance2.Grit ... and gem high hardness material made of measuring tools, cutting tools, optical instruments and other high finish workpiece machining ... alloy contour hard alloy material parts, instrumentation, measuring tools, cutting tools, abrasive etc.Water-soluble lapping pasteLow viscosity, easy ...