Purchase Qty. Reference FOB Price
1-19 Tons US$120.00
20-49 Tons US$110.00
50-99 Tons US$100.00
100+ Tons US$90.00
Product Description
Products Descritption Black silicon carbide is made of quartz sand, petroleum coke and high-quality silica as main raw materials by high-temperature smelting in resistance furnace. Emery, also known as pure, is a colorless crystal. Density, high hardness, high strength and good oxidation ...