Best-selling Black Silicon Carbide  F150  From China SICHENG Abrasive        Black Silicon Carbide is produced in a high temperature electric resistance type furnance from a mixture of quartz sand and petroleum coke. Excellent raw materal makes good hardness and toughness, high efficiency and

SICHENG Abrasive Manufacture Black Silicon Carbide  F220 98.5% purity   Product Description        Black Silicon Carbide is produced in a high temperature electric resistance type furnance from a mixture of quartz sand and petroleum coke. Excellent raw materal makes good hardness and toughness,

  Black Silicon Carbide  46# Used For Grinding Cutting Wheel  Material    Product Description          Black silicon carbide grit is produced in an electric-resistance type furnace through fusing quartz sand and petroleum coke with high temperature. Its hardness is between fused

 Black Silicon Carbide P280 Used For Abresive Belt Material   Product Description          Black silicon carbide grit is produced in an electric-resistance type furnace through fusing quartz sand and petroleum coke with high temperature. Its hardness is between fused alumina and diamond. It has higher

China  Supply  Black Silicon Carbide Grits 30#         Black Silicon Carbide is produced in a high temperature electric resistance type furnance from a mixture of quartz sand and petroleum coke. Excellent raw materal makes good hardness and toughness, high efficiency and

Black Silicon Carbide Grits  16#  For Sand Blasting        Black Silicon Carbide is produced in a high temperature electric resistance type furnance from a mixture of quartz sand and petroleum coke. Excellent raw materal makes good hardness and toughness, high efficiency and

Black/Green silicon carbide   Size FEPA F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 JIS #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240