... ~546#400~315240#63~50W55~3.560#315~250280#50~40W3.53.5~2.5 CodeSize(µm)ApplicationCodeSize(µm) ... grains easily fall off.Suit for centerless grinding wheel and guide wheel, grooving and cutting sheet wheel polishing wheel.ResinBHigh strength, good flexibility, ... 50m / s, high-speed grinding, can be made as sheet wheel for grinding groove, cutting, etc.MetalMGood toughness, formability, strength, self- ...