black silicon carbide grain
Black silicon carbide is divided into JIS standard and EEPA standard
black silicon carbide grain JIS standard :#8 #10 #12 #14 #16 #20 #24 #30 # 36# #40 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 # 220 #240
black silicon carbide grain FEPA standard: F8 F10 F12 F14 F20 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220
