... backside. ISO High Quality LP66/LP26 Polyurethane Polishing Pad/ Abrasive PadPolyurethane Polishing pad can be called Polishing cloth, Abrasive pads, Polyurethane polishing piece, Cerium pads, Cerium oxide pad, etc ... , Stable quality, Powerful grinding force. 2. Types:(1) LD66/LD77 Coffee colorIt has cerium oxide content, usually been used for optical glass polishing, mobile ...