The abrasive grains of this products has angular shape and sharp-edged hem, after good dust collecting, impurity and strongly magnetism material removing, carefully sieve classifying, the grains can do very well on various polishing application, such as glass carving, rust removing, jean cloth grinding and also suitable for making Bonded Abrasive like cutting wheel and so on. Typical Chemical Analysis: Al2O 95.65% min, Fe2O3 0.07% max, TiO2 2.69% max, SiO2 0.72% max, CaO 0.23% max