Concrete polishing pad Engineer stone pad Sunny pad Glass polishing pad Metal bond pad       Home > company>Sunny pad       * large image These pads are a hybrid of copper and resin bond designed for polishing straight edges by hand to a higher gloss.The copper bond is a soft metal that will take away scratches better than a metal bond will do,allowing the resin bond to polish to the highest luster.   Specification Model No Size Thickness Grit SP 100mm   50-3000