1.silicon carbide fiber disc used for the work pieces made of materials ... 2High-speed steel, High-carbon steel 1.silicon carbide fiber disc, has good flexibility, high Intensity and high Wear-resisting. ... its girt is sharp, and Thermal conductivity3. Suitable for grinding Hard alloy, Optical glass, vitrify, gem, agate, honing cylinder sleeve ... material, i.e. single alundum silicon carbide fiber disc