Bright black powder with less than 2% of semitransparent and/or whitish crystals

SIZES (US mesh - stock items): 60/80, 80/100, 100/120, 120/140, 140/170, 170/200, 200/230, 230/270, 270/325, 325/400, 400/500SIZES (microns - stock items): 2-4, 4-8, 8-12, 10-14, 14-20, 15-25, 20-30, 22-36, 20-40, 30-40, 40-60Other micron sizes available on requestReactivity test :2000-2800 times

  Mechanical Compression Strength (120/140 Mesh):  8-10 NewtonsMechanical Abrasion Resistance (120/140 Mesh):  84-90%Density:  1.63 - 1.70 g/cu.sm.Impurities (max % mass): Mg - 2.0%,  C - 0.4% ,  a-BN - 0.2%,  others - 0.2%Heat Resistance:  High

CUBIC BORON NITRIDE (CBN)