Removal of oil, dirt, greases, metal oxides, welding scale, etc. is essential before the powder coating process. It can be done by a variety of chemical and mechanical methods. The method selection depends on the size and material of the part to be coated, the type of impurities to be removed, and the finished product’s performance requirement.
Chemical pre-treatments involve the use of phosphates or chromates in submersion or spray application.Sandblasting Services