Sandpaper is applied incisively and vividly in every field of life, no matter it is plastic industry, hardware industry, construction industry or automobile industry. Various industries for the use of sandpaper requirements are different, some according to the characteristics of grinding tools, some according to the shape of sandpaper, material and other different characteristics of the selection of sandpaper. In fact, disc sand is also a kind of sandpaper, and disc sand because of the shape and application of different ways, so it is renamed, is also another abbreviation for sandpaper.
Disc sand can be divided into two types: non-porous disc sandpaper and perforated disc sandpaper. Disc sand with holes is convenient for waste chips to be discharged from the holes to improve the grinding efficiency. Disc sand stick is mainly on the high speed rotating disk, dedicated machine or mobile phone use, with sand paper burnish, most of the lacquer kind of grinding for hard and brittle, easy to use effect is remarkable, but the disc sand in use process will produce a lot of dust, affect the environment health, this is also the disc sand in operating an inevitable shortcomings.
Dip in water with sandpaper or soapy water grinding can be used in the process can reduce wear marks, improve the smoothness of the coating, and save material, effortless. However, it is necessary to pay attention to the spraying of the lower layer after the water grinding and wait for the water grinding layer to completely dry before applying the lower layer of paint, otherwise the paint layer is easy to whiten. Some substrates with strong water absorption are not recommended for water grinding. In order to ensure the working quality of the disk sandpaper, the tool for polishing should be tested before polishing.