The difference between sponge sandpaper and general sandpaper

　What are the differences between sponge sandpaper and ordinary sandpaper? Let's compare.

　　1. Sponge sandpaper is also known as sponge abrasive polishing abrasive, resin abrasive, abrasive abrasive, plastic abrasive, etc. These should be based on sponge, and abrasive sand is planted on the sponge, which is a kind of grinding and polishing material. Its scope and characteristics: it is most suitable for surface grinding, and can absorb water, adhere to long-term water grinding, which can replace water sandpaper. Sponge sand blocks can be made into various shapes and sizes. Sponge sand blocks are more suitable for hand-polished furniture, surface polishing of plastic products, grinding at car repair and repair paint, metal rust and plastic surface treatment. It has obvious characteristics such as water resistance, acid and alkali resistance. Features; soft dry grinding, wet grinding can be used, can be cleaned, and can be reused many times.

　　2. Another name for sandpaper is sand skin. It is a material for grinding. It is used to grind metal, wood and other surfaces to make them smooth and clean. Most of them are glued with various abrasive sand grains on the base paper. For different abrasive materials, there are diamond sandpaper, artificial diamond sandpaper, glass sandpaper, etc. Dry-ground sandpaper (wood sandpaper) is used to polish the surface of wood and bamboo. 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 of unbleached sulfate wood pulp. The paper is strong and tough, resistant to abrasion and folding, and has good water resistance. Grinding materials such as glass sand are bonded to the base paper with adhesives such as gum and dried.