Cure at 200°C.
Thick film.
Coat-friendly design.
Powder coating bakes color at 200°C, producing 50-150 µm thick coating. Designs must accommodate hanging points, drainage, and curing temperature.
Key principles.
Required
Parts hang from racks. Designate hanging points (small holes or features) in non-cosmetic areas.
Internal cavities
Internal cavities: drain holes for spray off; otherwise excess coating pools and runs.
No deep recesses
Deep narrow recesses: hard to reach with electrostatic spray. Coverage suffers.
Coating thinner
Sharp edges have thinner coating. Round edges (R0.5+) for uniform thickness.
Avoid
Tight enclosed regions form Faraday cage — coating doesn't enter. Open access required.
Thermal mass
Curing 200°C. Some assemblies (with rubber, plastic) cannot tolerate. Coat before assembly.
FAQ
Coating thickness?
50-150 µm typical. Customer specifies; Aliphatic urethane harder, polyester forgiving.
Color matching?
Pantone match available. Order pre-matched powder. Lead time 1-2 weeks for custom color.
Surface preparation?
Phosphate or chromate conversion. Improves adhesion and corrosion resistance. Standard pre-treatment.
Service environment?
Outdoor 20+ year warranty available with quality powder. UV-stable formulations.
Cost vs paint?
Powder coat slight premium over wet paint. No VOC (environmental). Better durability for industrial.
Repairing damage?
Spot repair: difficult — appearance differs from cure. Best to recoat entire panel. Or accept service-life damage.
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