Metal sanding material Sponge sandpaper is the main tool used for grinding and polishing process by bonding abrasive materials to flexible materials such as paper and cloth. Sponge sandpaper is divided into paper tape base and cloth tape base: paper tape The base is relatively hard, and it can grind a high-gloss surface. Paper-based sponge sandpaper is used in both fine grinding and super-fine grinding. The fabric tape base has higher strength than the paper tape base, and is less sensitive to temperature and humidity than the paper tape base. It does not lose stability due to increased temperature and humidity. The durability of the cloth sponge sandpaper is better than that of paper sponge sandpaper. A lot higher. Abrasives commonly used in furniture production are alumina, silicon carbide, zirconia-aluminum, garnet, and hand-made sandpaper.

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Metal sanding material Features of sponge sandpaper: coarse grinding, large plasticity, large grinding area, coarse grain size to avoid inserting, softer workpieces, fine grain size for fine grinding and hard workpieces. The metal sanding material is bonded to the tape base by an adhesive. The binder should have strength, elasticity, heat resistance, water resistance, etc.

Water sandpaper is mainly used for the grinding and polishing of automobiles, furniture, leather, home appliance casings and mechanical parts. Water sandpaper has a small gap between the sand grains, and the ground debris is also small. When used together with water, the powder will flow out with the water, so it should be used together with water. If it is dry sanded with water sandpaper, Will stay in the gap of the sand, so that the surface of the sandpaper is dimmed to achieve its original effect, and the dry sandpaper is not so troublesome, the gap between the sand grains is larger and the broken ends are larger. It will fall off during the grinding process due to the large gap, so it does not need to be used with water.

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The characteristics of water-sandpaper: grinding efficiency is increased by 30-50%, long life, less heat generated by grinding, high strength, tear resistance, good anti-blocking effect, avoiding the fading of sandpaper and affecting the surface quality of the workpiece.