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Can you powder coat direct to anodised aluminium surface?

We want to replace acid etch as the pre-treatment for powder coating, can we powder coat direct to anodised finish, if so would AA5 with out seal be suitable, would we have to abrade or just clean with a gramos pre-wipe?

Richard Rinn
Insight Sign Systems - Glasgow, Scotlan, UK

Sure! Powder coating and anodizing are like bread and butter. (Put the butter, I mean the powder coat, on top!:-0)

See letter 5956.

Tom Pullizzi
Falls Township, Pennsylvania

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