... 15…….ture density 3.9Marterials: petroleum cokeGreen silicon carbide is produced as the same type as the ... black silicon carbide,except the different raw materials.It’s ... crystallization have higher purity and hardness.Green silicon carbide is suitable for processing hard alloy,metallic and ... ceramics material.Abrasives gradeGrit size: 16#,20#,24#30#,36#,46#,54#,60#,80#,100#,120#,150 ...