The application range of glass sand is very wide, and it is also very useful in mechanical equipment and metal cleaning. It can not only remove all kinds of machine parts and increase the service life of the machine, but also improve their corrosion resistance. For example, various types of springs, aircraft engine turbines, landing gear, and various gear hydraulic parts, etc., will choose glass sand to clean them. Cleaning and removing burrs and residues of various metal pipes, non-ferrous metal precision castings, welding parts and die castings. Provide a bright semi-matte surface for medical equipment tools and auto parts. Therefore, glass sand has its unique role in different fields.