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Silicon Carbide

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Silicon Carbide Micro Powder
Chemical index for SiC micropowder Variety Granularity Chemical index(%)
China Silicon Carbide of with CE
Abrasive-grade SIC
Introduction: the processing method is photo electricity settlement meter. The granularity grading of abrasive-grade SiC GB/T2481.1-1998 Variety Granularity Granularity
China Manufacturer of Black Silicon Carbide
black silicon carbide sic for sale
Introduction: The molecular formula of silicon carbide is SIC, it is generated by SiO2 and petro coke or anthracite through reduction reaction under the condition of high temperature, there are two kinds of it: black SIC and green SIC. Green SIC is...
High Quality Silicon Carbide For Abrasives China Supplier
China Silicon Carbide Suppliers

SIC

Emery, also known as Silicon Carbide (SiC), is produced by high-temperature smelting of resistance furnaces using quartz sand, petroleum coke (or coal coke), and sawdust (need to add salt when green silicon carbide is produced). Silicon carbide also has a rare mineral, Moissanite, in nature. Silicon carbide is also called Carbon silica. Among the non-oxide high-tech refractory raw materials such as C, N, B, etc., silicon carbide is the most widely used and the most economical one, and it can be called gold grit or refractory sand. At present, China's industrial production of silicon carbide is divided into two types of Black Silicon Carbide and green silicon carbide, are hexagonal crystals, the specific gravity of 3.20 ~ 3.25, the microhardness of 2840 ~ 3320kg/mm2.

Silicon carbide has two common basic varieties of black silicon carbide and green silicon carbide, both of which are α-SiC. 1 Black silicon carbide contains about 95% of SiC. Its toughness is higher than that of green silicon carbide. It is mostly used for processing low tensile strength materials such as glass, ceramics, stone, refractory materials, cast iron and non-ferrous metals. 2 Green silicon carbide contains more than 97% SiC, self-sharpening, mostly used for processing hard alloys, titanium alloys and optical glass, also used for honing cylinder liners and grinding high-speed steel cutters. In addition, there is cubic silicon carbide, which is a yellow-green crystal made by a special process, used for the production of abrasives for bearing superfinishing, surface roughness can be processed from Ra32 ~ 0.16 microns to Ra0.04 ~ 0.02 micron.

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