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Green silicon carbide is made from petroleum coke and high-quality silica, with salt added as an additive, and refined in a high-temperature resistance furnace. It appears as green crystals, is brittle and sharp, and has certain thermal and electrical conductivity. Microscopically, it takes the form of hexagonal crystals. With a Mohs hardness of 9.3, micro hardness of 2940-3300 kg/mm², and Knoop hardness of 2670-2815 kg/mm², it is harder than corundum and only slightly less hard than diamond, cubic boron nitride, and boron carbide.
Company Profile
White fused alumina product display
White fused alumina production process
Brown fused alumina product display
Pink fused alumina production process
Brown fused alumina production process
Zirconia alumina product display
Black silicon carbide product display
Black silicon carbide processing
Green silicon carbide product display
Green Silicon Carbide Production Process
Chromite sand product display
Chromite sand production process
Tabular alumina product display
Ceramic foundry sand product display
Ceramic foundry sand production process
Glass beads product display
Glass beads production process
Boron carbide
Bubble alumina
Sandblasting application
Casting process
Boron carbide is produced through high-temperature smelting of boracic acid and carbonaceous materials in electric furnaces.
Bubble alumina is a new type of high-temperature insulation material, consisting of a-Al2O3 microcrystals.
White fused alumina is produced from high-quality aluminum oxide powder, refined and crystallized through electric arc smelting.
Brown fused alumina is produced by melting high-quality bauxite, iron filings, and anthracite in an electric arc furnace at high temperatures.
Fused Alumina
Use in many different industries such as abrasives, refractories, sandblasting etc.