Sic 99% Green Silicon Carbide Steel Making Cast Refractories Superfine Higher Hardness Electronic Components

green sic 99% steel making cast refractories superfine higher hardness green powder electronic components

Product name: green carborundum

 Specification: 1000#

Green silicon carbide is made of quartz sand, petroleum coke ( or coal coke ), sawdust ( salt is needed to produce green silicon carbide ) and other raw materials by high temperature smelting in resistance furnace. At present, silicon carbide micropowder is mainly 1200 # and 1500 #.Since silicon carbide micropowder is mainly used in the abrasive industry, there are special requirements for the classification of micropowder. There can be no large particles in the micropowder. Therefore, professional equipment is generally used for high-precision classification in production.

Performance characteristics :
Green silicon carbide powder is green, crystal structure, high hardness, strong cutting ability, stable chemical properties and good thermal conductivity. The microscopic shape is hexagonal crystal. The Mohs hardness of silicon carbide is 9.2, the Vickers hardness is 3000-3300 kg / mm2, the Knoop hardness is 2670-2815 kg / mm, and the microhardness is 3300 kg per cubic millimeter. In the abrasive, it is higher than corundum and second only to diamond, cubic boron nitride and boron carbide. The density is generally considered to be 3.20 g / cubic millimeter, and the natural bulk density of the silicon carbide abrasive is between 1.2-1.6 g / cubic millimeter, and the specific gravity is 3.20-3.25. Green silicon carbide is made from petroleum coke and high-quality silica as the main raw materials, adding salt as an additive, and smelted by resistance furnace at high temperature. Its hardness is between corundum and diamond, and its mechanical strength is higher than corundum.

particle-size reconciliation: