1.Round shape 2.Excellent control over the particle-size 3.low impuritie 4.competitive price Product DescriptionDiamond powder 1. It ... -1/2, 0-1, 0-2, 1-2, 1-3, 2-4, 3-6, 4-8, 5-10, 6-12, 10-15 ... , 22-36, 30-40, 36-54, 40-60, 54-80 3. Diamond powder Mesh size: 500/600#\400/500#\325/400 ...