Where to buy Black silicon carbide P standard

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

BLACK SILICON CARBIDE F12 1.7-2.0MM

Black silicon carbide grit F54

Green silicon carbide F#80MESH

Black silicon carbide F400 D50:17.3±1.0um