... action for making resin, cramic bond abrasive RVD dimaond powder:Zhecheng Hongxiang superhard material CO.,LTD, was founded in ... fine diamond and the same processing way of diamond micro powder, particles with regular perfect shapes, accurate size arrange ... wear resistance is 1/2 more higher 1.micron powder:0-0.25/0-0.5/0-1/0. ... 36-54/40-60/50-70/54-802.mesh powder:50/60...60/70...70/80...80/100...100 ...