black silicon carbide micropowder

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black silicon carbide micropowder
Posting date : Mar 28, 2014
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gblack silicon carbide micropowder Black silicon carbide is produced at high temperature in an electric resistant furnace with quartz sand and petroleum coke as its main raw materials. Its hardness is between corundum and synthetic diamond, the mechanical strength is higher than corundum. Application: 1. Black silicon carbide is widely used for making abrasive tools, including grinding wheel, sanding belt, oilstone etc. It's also used for grinding and polishing in monocrystalline silicon, polycrystalline silicon and electronics industries etc. 2. It's suitable for processing glass, ceramics, stone, metal, rubber and other materials. 3. It also can be used as metallurgical additive and high-grade refractory material Physical Index: Color Black Basic Mineral α-SiC True Density 3.2g/cm3 Bulk Density 1.45-1.56g/cm3 Mohs Hardness 9.2 Microhardness HV3100-3280 Chemical Composition: Typical Value SiC 98.60% Fe2O3 0.33% F. C 0.16% Guarantee Value Grit Size SiC F.C Fe2O3 F12-90 >98.7% <0.2% <0.4% F100-150 >98.5% <0.2% <0.4% F180-220 >98.0% <0.3% <0.6% F230-400 >97.5% <0.3% <0.6% F500-800 >97.0% <0.4% <0.8% F1000-1200 >96.0% <0.5% <0.8% Size Available: Abrasives F16-F1200, P12-2500, JIS#240-JIS#3000 Refractory 0-1mm,1-3mm,3-5mm,200mesh,325mesh Other special specifications could be supplied as required.

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