Jun 10, 2016 0 comment

“We recently had a small fire. All cold roll steel parts have a light coating of rust. This is from fire extinguisher chemicals becoming air born and settling on the top surfaces of the material. My question is this, what should be used to prep the surfaces before powdercoat is applied?”


“You must remove all the rust prior to powder coating. Approved methods are: grit blasting, wire brushing, grinding, or sanding. Use the method that will provide you the surface texture you can live with. After removing the rust, pretreat and powder coat the parts as you normally would.”

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