1. Sic MIN 99% 2. F.C MAX 0.35% 3. Fe2O3 MAX 0.6% 4. ... 0.0180% 5. Hardness(mohs) 9 Green silicon carbideSIC 99%.......F.C 0.35%....Fe2o3 0.6%..... Magnetic material content 0 ... #,180#,220#Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500# 2000#,2500#,3000#,4000#Refractorgrade:1-0mm,3 ...