... into the Al2O3 crystal lattice produces a slight increase in toughness and a reduced friability compared with White Fused ... tensile strengths of over 50 kg/mm². It is also used in tool grinding, knife-sharpening applications, precision grinding, profile grinding, ... alloys (copper, aluminum, zinc, brass, Bronze), but also used for softer materials, such as wood, synthetics and paints.PINK ALUMINA( HIGH ...