RVD diamond powder RVD1 diamond with pure color and high purity, suitable for resin bond diamond tools making and rough grinding. RVD2 diamond powder It\'s produced by using selected fine diamond and the same processing way of diamond micro powder, particles with regular perfect shapes, accurate size arrange and high abrasive action after reshaped many times, suitable for applications like resin bond, vitrified and electroplate bond tools, Compared with RVD1, the wear resistance is 1/2 more higher 1.micron powder: 0-0.25/0-0.5/0-1/0.5-1/0.5-1.5/0-2/1-2/0.5-3/1-3/1.5-3/2-3/2-4/2-5/3-6/3-7/4-8/4-9/5-10/5-12/6-12/7-14/8-16/8-20/10-20/12-22/12-25/15-25/20-30/22-36/30-40/30-50/36-54/40-60/50-70/54-80 sh powder: 50/60...60/70...70/80...80/100...100/120...120/140...140/170...170/200...200/230...230/270...270/325...325/400...400/500...500/600