1.silicon carbide fiber disc used for the work pieces made of materials ... steel, 2High-speed steel, High-carbon steel 1.silicon carbide fiber disc, has good flexibility, high Intensity and high Wear- ... Hard alloy, Optical glass, vitrify, gem, agate, honing cylinder sleeve and other hard friable materials.4.Please mark in detail ... and Nonmetallic material, i.e. single alundum silicon carbide fiber disc