black silicon carbide clumps

1.GREEN SILICON CARBIDE is based on FEPA standard and JIS standard ,with high quality and competitive price ,the composition of carborundum is higher than 98%. 2.After water washed andchemical washed ,silicon carbide have a good hardness, stable chemical characteristics ,and lower magnetisms 3.SILICON CARBIDE have a goodhardness ,better grinding effect ,strong cutting ability .silicon carbie size from F16 to F320 is good used in making oilstone ,grinding effect ,silicon carbide micro powder ,and so on . the following is the detail size that we can provide : Grit SizeSiCGrit SizeSiCF1698.7%F8098.5%F2098.7%F9098.5%F2298.7%F10098.5%F2498.7%F12098.5%F3098.7%F15097.8%F3698.7%F18097.8%F5498.5%F22097.8%F6098.5%F28097%F7098.5%F32097%