A phosphate pretreatment cleans and prepares objects to be powder coated. . The powder epoxy is significantly easier to use than a liquid epoxy paint. The liquid counterparts become difficult to work with because of a tendency to gel in paint lines and guns. High performance liquids often present health hazards, whereas powders can be selected which do not pose additional health risks to operators. The powder coating process also improves the protection of the sharp edges of a part.
Liquid paints tend to run away from sharp edges but powders cover the edges very well.
Morton Buildings also appreciates the ecological benefits of powder coatings. Liquid paints produce hazardous waste that is costly to dispose of. The overspray of powders can be collected and used again and again. The small amount of remaining waste powder can be safely disposed of in approved landfills. According to the EPA , paint solvents are among the chief causes of pollution.