PSD of green silicon carbide for ceramic blowing agent Green silicon carbide is also called green carborundum,green SiC or short for GC, is made from silica sand and petroleum coke (added salt when melting) in electrical internal rsistance furnace. Zhengzhou haixu abrasives co.,ltd,founded in 1999,has been manufacturing and exporting green silicon carbide for more than

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CHINA BLACK SILICON CARBIDE FACTORY Black silicon carbide is also known as black carborundun,black sic,for short “C”, it is made from high purity silica sand and petroleum coke in electrical internal resistance furnaces. Zhengzhou haixu abrasives co.,ltd,founded in 1999,has been manufacturing and exporting black silicon cabride and green silicon carbide for more than 20year in

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