Types and characteristics of powder coatings

Powder coatings can be used in indoor display racks, metal furniture, electrical appliances, toys, office furniture, strollers, bicycles, gardening tools, auto components, sports equipment, wheel rims, illuminations, mechanical components, electric fans, tools, water tanks, electrical control panels, fire extinguishers, park chairs, parasols, computer cases, copper sulfide doors, gas cylinders, medical equipment, insulating components, dust-free room partitions and equipment. Powder coatings are mainly composed of the following resin types:

(1) Epoxy(2) Epoxy-Polyester Hybrid            (3) Polyester
(4) Polyurethane(5) TGIC-free Polyester(HAA cure)   (6) Acrylic

 

下表顯示不同樹脂種類及表面特性：

 EpoxyEpoxy-Polyester HybridPolyesterPolyurethaneTGIC-free Polyester(HAA cure) Acrylic
Hardnessexcellentwellwellgoodwellexcellent
Softnessexcellentexcellentexcellentexcellentexcellentgood
Baking resistancebadwellexcellentexcellentwellwell
Weather resistancenonenoneexcellentexcellentexcellentexcellent
Corrosion resistanceexcellentwellwellgoodbadwell
Chemical resistanceexcellentgoodwellgoodbadexcellent
Operabilitywellexcellentexcellentwellexcellentexcellent