Sandpaper is commonly known as sandpaper. A material for grinding. Used to grind metal, wood and other surfaces to make them smooth and smooth.
It is usually made of various abrasive grains glued to the base paper. According to different abrasive materials, there are emery paper, artificial emery paper, glass sandpaper and so on. Dry sandpaper (wood sandpaper) is used to polish wood and bamboo surfaces. Water-resistant sandpaper (water sandpaper) is used to polish the surface of metal or non-metal workpieces in water or oil.
The base paper is all made from unbleached kraft wood pulp. The paper is tough, wear-resistant and folding-resistant, and has good water resistance. It is produced by adhering abrasive substances such as glass sand to the base paper with an adhesive such as gum and drying.
