... ,LP77,LP26 and LP57, applicable to Polish optical lens,prism,glass substrate,glass clock,silicon wafer and crystal glass.We are ... been used for optical glass polishing, mobile phone glass polishing, LCD glass and other substrate glass etc.(2).LDU yellowIt is ... surface.5.Applicable scope:Fine and precision grinding for optical glass, eyeglasses, LCD glass and other glass products; Surface grinding for ...