The preparation of a job is vitally important. If includes the removal of oil, dirt, lubrication greases, metal oxides and metal welding spots or imperfections. There are a variety of chemical and non chemical methods to prepare items for powder coating.
Depending on the area which is to be cleaned, chemical pre-treatments involve the use of phosphates or chromates in submersion or spray application. At colourtek, when it comes to cleaning via chemicals, we use a substance called ZR1 which etches the metal and removes all the oil, dirt or impurities.