Application: grinding various precision ceramic Bonded: resin bond & vitrified bond Correct choice of grain size and bonded Usually rough grinding uses D126, D91 (Resin bond &Vitrified bond) Semi-rough grinding uses D76, D64, D54, D46 (Resin bond & Vitrified bond) Semi-finish grinding uses D25, D20 (Resin bond &Vitrified bond) Finishing grinding uses D15 (Resin bond) Super finishing uses D7, D1 (Resin bond)