Yes. Aluminium powder coats well once it has been chemically prepared, and at Advance Sprayers that preparation is chromating. Our six stage process protects the aluminium against corrosion and gives the powder something to hold, and its reverse osmosis final rinse meets the Dulux accreditation standard, which allows us to give warranties on powder coated aluminium products.
Why aluminium is chromated first
Chromating gives the aluminium protection against corrosion, as well as providing adhesion for the powder coating. Chromating is the preparation; the powder coat is the finish that goes on afterwards.
How our chromating works
Our six stage process cleans the surface with acid and water, dips it in chromate and washes it in deionised water.
We can accommodate jobs large and small with our 4500 mm long x 2000 mm high chromating tanks.
Why the final rinse matters
To reach the Dulux accreditation standard, we use a reverse osmosis water purification system to achieve iron levels of less than 30 parts per million in our final rinse tank. This allows us to give warranties on powder coated aluminium products.
What Dulux accreditation means
Finishes for aluminium
Once it is chromated, aluminium takes the same powder coat finishes as steel: gloss, satin or matt; smooth, textured or ripple effect; epoxy or polyester.
Aluminium can also be spray painted in two pack, which suits items too large for our ovens and jobs specified in a paint system.
Powder coat finishes Powder coating or two pack paint?
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Advance Sprayers, Richlands QLD. Published 6 October 2026.