... quality LD66 polyurethane polishing pad with grooves 1. IntroductionPolyurethane polishing pad LD66 can substitute for imported polishing pad like LP66 and LP26, applicable to polish ... , 1800×900, 2200×1100, 2400×1200, 2600×1300Thickness0.5, 0.8, 1.0, 1.27, 1.5, 2.0, 2.5 ...