... , 2.Good thermal conductivity, 3.Superfine for surface treatment. Sythetic Diamonds powder Selecting monocrystalline diamond as the raw material, our diamond ... , shaping, purifying and grading. As a kind of super hard abrasive, it has features of high hardness, strength, toughness, good thermal ... SIZES CAN BE TAILOR-MADE AS PER CUSTOMERS' REQUIREMENT. synthetic diamonds manufacturers