Sandpaper

Sandpaper is an abrasive tool with
abrasives as the main grinding component and a substrate as support. Its core function is to grind, polish, deburr, or trim the surface of workpieces through the cutting action of the abrasives, making the surface flat, smooth, or meeting specific roughness requirements. It is widely used in fields such as hardware, woodworking, automobiles, electronics, and furniture, and is a basic tool for surface treatment.