8-inch 10mm Resin Bond Diamond Polishing Pad：Suitable materials: Primarily used for medium-to-fine polishing of concrete floors (including densified concrete), terrazzo, granite, and marble.Typically used for wet grinding (with water). Resin pads tend to overheat and burn during dry grinding, so water cooling helps dissipate heat, flush away debris, and extend the service life while ensuring a quality finish.