... .35%....Fe2o3 0.6%..... Magnetic material content 0.0180%.....color green ……hardness(mohs) 9.15…….ture density 3.9Marterials: petroleum cokeGreen ... raw materials.It’s crystallization have higher purity and hardness.Green silicon carbide is suitable for processing hard alloy,metallic and ... #,60#,80#,100#,120#,150#,180#,220#Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500# 2000#,2500 ...