... belt, flap wheel,etc..c Vitrified bonded grinding wheels and resin bonded grinding wheels.d Pressure blasting, surface finish, sandblastinge Various polishing ... , jean cloth grindin. Typical Chemical Analysis(F24) Al2O3Fe2O3TiO2SiO2CaO95.50%0.20%2.40%1.40%0.25% Physical Properties ColorDark brownShapeVery ... ISO, ANSI, FEPA and JIS. alumina abrasive grains for abrasive wheels