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Polyester powder coatings are solventless and are applied by electrostatic application in solid state direct to conductive coating substrates, usually metals. Thermosetting powder coatings rely on heat only for melting, flow out and the curing process, typically in a temperature range of 150-200°C. New low bake powder coatings allow application on heat sensitive substrates like MDF, engineered wood, plastics or composites.

Polyester powder coatings consist of the following materials: resins, hardeners, additives, fillers and pigments. allnex as a leading global supplier, offers an advanced portfolio of polyester resins, several hardeners and selected additives. The technical and commercial breakthrough was achieved by combining polyester resins with solid epoxy resins in so-called hybrid powders for indoor use; other UV resistant curing agents allow the formulations of powder coatings with outstanding outdoor durability for many applications. Powder coatings offer several advantages over conventional coatings systems.