Sandpaper Components, practical. We have 120/320/600 grits optional, to meet your requirements for different Components and applications. Widely used in metallurgy, machinery, shipbuilding, light industry, leather, , building Components, textile printing and dyeing industries. Sanding paper for belt sander. Used for grinding and polishing. Heavy-duty stripping and sanding tool for wood, aluminum, fiberglass, rubber, and non-ferrous metals.