Sponge sandpaper is a belt-shaped tool that is bonded by abrasives to flexible materials such as paper and cloth for grinding and polishing. Sponge sandpaper is composed of base material, abrasive and adhesive. The base material of sponge sandpaper for furniture production is cloth and paper. The paper base is made of specially treated high-strength paper as the belt of sponge sandpaper. Base, the price of sponge sandpaper with paper base is 1/3-2/3 lower than that of sponge sandpaper with cloth base. The paper tape base is relatively hard and can be ground to a high-gloss surface. The paper tape base sponge sandpaper is used in both fine grinding and super fine grinding. Cloth tape base is stronger than paper tape base, and is less sensitive to temperature and humidity than paper tape base, and will not lose stability due to increased temperature and humidity. Much taller. Abrasives commonly used in furniture production are alumina, silicon carbide, zirconia aluminum, garnet, and glass sand is used as abrasive for hand-made sandpaper. These abrasives have their own characteristics.