... /50, 50/60, 60/70, 70/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270 ... /500, 500/600, 600/700, 700/800 Diamond micron powder is ultra fine and super hard material, which is used to make ... carbide, ceramics, optical glass, gems and electronic parts. Diamond micron powder sizes cover 0-0.25, 0-0.5, 0-1 ... , 36-54, 40-60, 50-70, 54-80 Synthetic diamond powder