we supply black silicon carbide grain: sic 85%,88%, 90%, 97%min(0-1, 1-3, 3-5, 0-10, 1-10mm etc) and black sic grits F 20-220. Black silicon carbide grain 1.sic F grits: F 20-2202.sic 85%min, 88%min, 0-1mm, 0-5mm, 1-5mm, 200mesh etc. sic 90%min, 97%min, 0-1,1-3,3-5mm, 1-10mm, 0-10mm etc. we also can do other sizes according to customers' requirement.