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Cleaning and Maintenance – Powder-coated Surfaces

Cleaning and Maintenance of your Powder-coated surface must be in accordance with Dulux Powder and industrial technical advice for care and maintenance of powdercoated surfaces

Washing with soap or a mild detergent and warm water followed by a clean water rinse is usually quite adequate for domestic and architectural equipment. To achieve an enhanced appearance, simply wipe the cleaned surface dry.

Do not use abrasive cleaning tools under any circumstances. Always ensure contact time with organic solvents is minimal and that the solvent & dissolved residues are thoroughly rinsed from surface.

Methods of Cleaning Powder-coated Surfaces
Problem Cleaning Agent Comments
Routine Cleaning Soap or mild detergent and water, (preferably warm). Sponge, rinse well with clean water, wipe dry if necessary.
Fingerprints, All Finishes Soap and warm water or organic solvent (eg, white spirit, isopropanol, methylated spirits). Rinse well with clean water and wipe dry. Ensure contact time with solvent is minimal.
Stubborn Stains, All Finishes Mild cleaning solutions, (eg, white spirit, isopropanol, methylated spirits) Use rag, sponge or soft bristle brush. Rinse well with clean water and wipe dry. Do not use abrasive tools.
Lime Deposits from Hard Water Solution of one part vinegar to three parts water. Sponge on solution then brush to loosen. Rinse well with clean water and wipe dry.
Oil or Grease Marks, All Finishes Organic solvents (eg, white spirit, isopropanol, methylated spirits) Follow with soap and water. Rinse well with clean water and wipe dry.

Ongoing Maintenance

Cleaning may vary from once to four times a year for external applications or more frequently with internal applications for hygienic reasons. Regular maintenance will protect and restore the original appearance.
Environment Conditions Corrosivity Zone Example Environments Recommended Minimum Cleaning
Exterior Environment Mild C2 Low Arid, urban, inland, city Every 12 months
C3 Medium Light industrial & coastal Every 6 months
Severe C4 High Sea shore (calm) Every 6 months
C5 Very High Industrial Heavy industrial Every 3 months
C5 Very High Marine Sea shore (surf) Every 3 months
Tropical Tropical (T) High, humid and monsoonal Every 3 months
Interior Environments General Interior C1 Very Low Dry Every 12 months
C2 Low Minor condensation Every 12 months
Moderate Interior C3 Medium High Moisture Every 6 months
C4 High Significant contamination Every 3 months

An up to date and signed log must be kept with adherence to the minimum cleaning intervals as seen in the table above.

Simply follow 3 important steps:

  1. Carefully remove any loose surface deposits with a wet sponge by gently rubbing.
  2. Clean by gently rubbing the surface with a soft brush (non-abrasive) and a dilute solution of a mild detergent, e.g. pH-neutral liquid hand or dishwashing detergent in warm water to remove dust, salt and other deposits. For stubborn stains use only recommended solvents on the affected area, e.g. Isopropyl alcohol (IPA) or methylated spirits and rinse off with clean water. Do not use other aggressive solvents.
  3. Rinse the surfaces with clean fresh water after cleaning to remove all residues.
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