General powder coating construction requirements

China Coatings Online News Information:
(1) In order to give full play to the special properties of powder coating and extend the life of the coating film, the surface of the coating is first strictly pre-surface treatment.(2) spray, the coating must be fully grounded to increase the spray efficiency of the powder coating.(3) for coatings with large surface defects, the conductive putty should be scraped to ensure the smoothness and smoothness of the coating film.(4) after spraying objects need to be heated and cured, curing conditions based on the technical indicators of powder products, but must fully ensure its curing temperature and time, to avoid insufficient curing caused by quality accidents.(5) powder immediately after inspection, if found defects should be treated in a timely manner, if cured after the discovery of defects, its scope is small only partial without impact, the surface decoration of the coating, can be diluted with acetone of the same color powder for repair, if the range is large and affect the surface quality, then sandpaper polished, then sprayed once or with paint remover coating, and then re-powder.(6) recycled powder must be screened to remove debris, according to a certain proportion of the new powder mixed effect.(7) powder barrels, powder rooms and recycling systems should avoid contamination of other powders of different colors, so every time the color change must be blown clean.
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