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topic 6010



I'm looking for a liquid that can be applied then rinsed or wiped off, to be baked to 150 C, later in the process. Is there such a liquid?

Bob N [last name deleted for privacy by Editor]
- Perrysburg, Ohio


Yes.... I mean no.... I mean.... What was the question again, Bob?

Ted Mooney, Teds signature
Ted Mooney, P.E. RET
Pine Beach, New Jersey


errr....huh? Ditto to your answer, Ted..sorry, I couldn't resist.

Marc Green
Marc Green
anodizer - Boise, Idaho


OKAY, OKAY, YOU JOKERS, the answer is "What are you trying to accomplish with this liquid? It is not anodize, it might be a chromate conversion coating, which can be applied to aluminum with a brush or a rag.

Baking to 150 C might be a bit too high to preserve the corrosion protection properties of a conversion coating.

tom pullizi signature
Tom Pullizzi
Falls Township, Pennsylvania


Hey! Is there anyone who knows what chemical can make the aluminium surface bright and shining after black anodize ?

Ong Lip Khoon
- Malaysia


Hi, Ong. If you've seen bright and shiny parts like that, they were almost surely bright and shiny BEFORE anodizing, not made bright after it. The brightening chemical is a mix of nitric and phosphoric acid and is called aluminum bright dip, but often it's done after mechanical polishing. Good luck.

Ted Mooney,
Teds signature
Ted Mooney, P.E. RET
Pine Beach, New Jersey

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