... low thermal conductivity material, having a good grinding performance.2) small grinding force, high durability.3) ... low thermal conductivity material, having a good grinding performance.• shapeDisc wheel• bindersCeramic wheel2. All the grinding ... as refractory alloy,vanadium steel, cobalt steel,molybdenum steel,high speed steel,bearing steel and titanium steel,etc.3. Performance on grit sizes: ...