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Black Carborundum also called black silicon carbide, HS Code 28492000, CAS No. 409-21-2. This product, chemical formula of which is SiC, is obtained from the synthesis of high purity quarts ...
2024-05-17 Read More

Black Carborundum HS Code 28492000, CAS No. 409-21-2, is quartz sand, petroleum coke in primary raw materials, smelting in the high temperature resistance furnace. Its hardness is between corundum and
2024-05-17 Read More

Black Carborundum/sic sand is produced in a high temperature electric resistance-type furnace from a mixture of quartz sand and petroleum coke. The hardness of black silicon carbide is great
2024-05-17 Read More

Black Carborundum is quartz sand, petroleum coke and high-quality silica as the main raw materials, through the resistance furnace high temperature smelting, divided into black carborundum and green c
2024-05-17 Read More

Black carborundum 98.5% SIC HS Code 28492000, CAS No. 409-21-2,  is made of quartz sand, petroleum coke and high-quality silica as the main raw materials, and is smelted by electric fur
2024-05-16 Read More

Black carborundum also called black silicon carbide. This product, chemical formula of which is SiC, is obtained from the synthesis of high purity quarts sand and petroleum coke as basic ...
2024-05-16 Read More