... a special broken treatment technique.3. Semi-brittle corundum is characterized by high temperature resistance, corrosion and erosion ... brown, white, zirconia, monocrystalline.3. Semi-brittle corundum is applied in coarse grinding that can improve process ... metal.Application: Semi-brittle corundum is in the processing of synthetic material, veneer, laminate, thin board, hardwood, softwood, lacquer, ...