... retention, lower impurity, higher compact strength and thermal stability. Synthetic diamond grit sizes range cover 2.2mm, 2.0mm, 10/12, ... , 400/500, 500/600, 600/700, 700/800 Diamond micron powder is ultra fine and super hard material, which ... carbide, ceramics, optical glass, gems and electronic parts. Diamond micron powder sizes cover 0-0.25, 0-0.5 ... , 36-54, 40-60, 50-70, 54-80 Synthetic diamond powder