... Product DescriptionDiamond powder types: 1. Micron Diamond Powder 2. RVD Diamond Powder 3. MBD Diamond Powder 4. SMD Diamond Powder 1. Professional Manufacturer 2. ... powder for sapphire polishing, gemstone polishing, quartz polishing, glass, natural diamond, ceramic polishing, eletronic components and other hard materials ... PCD, PDC and so on. 2. Diamond grit: 0-1/2, 0-1, 0-2, 1-2, 1-3, 2-4, 3-6, 4 ...