Clean the sanded area of the powder coated surface with paint thinner. Remove any loose paint from the chipped area by scrubbing lightly with a fine grit sandpaper.
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How to fix scratched powder coating. Moisten the rag with paint thinner and use it to clean off any dust debris and oils on the powder coated item. Grind repair area with a power hand grinder or wire brush to bare metal. This also removes surface contaminates. How to repair a chipped powder coat. Sanding and buffing the powder finish can eliminate surface trash and some defects. Remember to use your powder guns re coat settings to properly apply a second coat.
Grinding will result in a smooth even. Remove all loose and flaking coatings from the damaged area with a wire brush or putty knife. This also helps smooth out orange peel that naturally occurs with most powder coatings on parts where the powder thickness is excessive in a particular area. For the best most durable finish you can media blast first and then do a phosphate pre treatment. Wash the exposed surface and surrounding area with a mild detergent or item specific cleaner such as a. Wait an hour so the paint thinner can dry.
The most obvious sign that insufficient prep is the cause of the chipping is that you will see a smooth shiny finish where the powder coat has chipped.
Gallery of How To Fix Scratched Powder Coating
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