Technical Articles
Powder Coating Maintenance and Refurbishment
Published 17 December 2018

Maintenance

Dirt, grime and salt deposits are capable of causing surface damage. In order to maximise the life of powder coated products we recommend the following maintenance programme:

  • Cleaning intervals recommended every 3 months especially in corrosive marine environments
  • Use a diluted liquid detergent in warm water. Avoid hot solutions.
  • Use a soft bristle brush or cloth to clean surfaces. Do not use anything abrasive on the coating
  • After cleaning thoroughly rinse with clean fresh water
  • If more aggressive cleaning is required,  use a mild abrasive like a high quality automotive cream polish, used in accordance with the manufacturer’s instructions
  • White spirts can be used to remove adhesives but with minimal contact time and solvents thoroughly rinsed from the surface

Refurbishment

Preparation

Refurbishment must be carried out immediately any damage has occurred. Rub the repair area with 800 grit sandpaper to smooth the surface and to provide a key for the repair paint. Mask off areas to be repaired. For large areas, work to a natural break in the material, i.e. a corner, edge, etc.

Application of liquid paints

Apply thinly with a touch up brush and repeat if necessary to achieve required colour and protection

Application of spray paints

Shake can according to manufacturer’s instructions. Ensure surface to be sprayed is clear, dry and free form rust. Spray several thin coats, form a distance of 25-30 cm, keeping the can moving from side to side. Drying time will vary according to type of paint, film thickness and ambient temperature.

Disposal of materials

Ensure all waste material is disposed of in a suitable facility

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