abrasive product 1. Sharp cutting, 2. good edges holdout, 3.durable, 4.stronger flexibility ... harder than Boron carbide and Diamond, friable, its girt is sharp, and Thermal conductivity4 Suitable for grinding Hard alloy, Optical glass ... , High-speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, Measuring ...