Why should water sandpaper be dipped in water?
Generally, the sand grain gap of water sandpaper is small, and the grinding powder is also small. When used with water, the powder will flow with the water, so it is best to use with water. abrasive disc If dry sanding is performed with water sandpaper, dust will remain in the gaps between the sand grains, making the surface of the sandpaper dull and unable to achieve the original effect. Sandpaper also plays a very important role in model making, such as removing nozzles from parts, grinding gaps in parts cut from runners, etc. Fine-grit sandpaper can sometimes be used to remove the sheen of spray paint and to remove oxide layers from metal parts, i.e. metal parts. The parts have their original metallic luster. Sanding with oil on water sandpaper will give the wood model a soft sheen. like： What are the common types of sandpaper? The difference between water sandpaper and dry sandpaper Which sandpaper is best for sanding wallpaper?