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