... materials.It’s crystallization have higher purity and hardness.Green silicon carbide is suitable for processing hard alloy,metallic and non-metallic ... feature such as copper,brass,aluminium,magnesslum ,jewel,optical glass,ceramics,etc.Super micropower of it is also a kind of ... ceramics material.Abrasives gradeGrit size: 16#,20#,24#30#,36#,46#, ...