Pinholes and shrinkage cavities are common defects in the use of powder coatings. Their presence not only affects the appearance quality of the products, but also seriously affects the mechanical properties and protective properties of the products. Most of the corrosion of the materials to be prote

During the process of the powder coating production line pre-treatment section or period, firstly is to pay attention to the formulate the principle of the necessary strong acid and alkali purchasing, transportation, storage and application system. Providing workers with the necessary protective c