1.1. The sandpaper is made of raw sand material and flocking backing, which provides long-lasting and efficient grinding. It uses special raw materials, processed flocking, latex paper substrate, and the surface of the sandpaper is made of aluminum oxide, which is wear-resistant and durable, with strong cutting force, wear-resistant and anti-sand. , and effectively prevent clogging and static electricity. 2.2. The main feature of dry sanding paper is that the dust will not be squeezed on the sandpaper during the sanding process, because the dry sanding paper has very small dust holes, and the dust will vibrate out along the small holes when sanding. 3.3. Suitable for rust removal, painting, deburring, solder joint grinding, polishing of various complex surfaces of metal and non-metal materials, including bare wood, painted surfaces and metal, aluminum alloy, rubber, leather, plastic, stone, glass, etc. Material. 4.4. Easy to identify and use: The grit numbers on the back of each sandpaper for easy identification, the hook and loop backing allows for quick installation and removal of the orbital sandpaper, and it will not fall off when used.