... ISO9001:2000 Excellent after-sales OEM Blue CBN grinding paste for metal engraving1.Good lubrication,cooling performance2.Grit size:8- ... in different kinds of Grinding Wheels, Gun Drills, Grinding Paste, Grinding File, etc. We have passed ISO9001:2000 quality ... etc.Water-soluble lapping paste Low viscosity, easy row cutting, high grinding efficiency, slightly corrosion of metal.Glass, ceramics, jewels, ...