Question

List of chemicals used in powder coating

Answer 1

 generally zinc or iron phosphate but the move in the industry today is to phosphate-free or zirconium. 

Answer 2

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Applications That Use Powder Coating:-

Powder coating makes painted architectural steel parts resistant to heat damage, cold damage and even corrosion.

Most of metal products designed to be used outdoors are finished using the powder coating method.

Metallic roofs and curtain walls can also be powder coat finished.