Phosphoric acid

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Posts: 3
Joined: Sat Aug 12, 2017 12:09 pm

Phosphoric acid

Post by LarryM » Sun Oct 13, 2019 1:58 pm

AC 43 says:
Use of acid-based strippers, chemical removers, or chemical conversion coatings are not permitted on steel parts without engineering

And yet I'm still tempted to give my steel parts a phosphoric acid bath before priming. Any thoughts or experience?

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Terry Hand
Posts: 56
Joined: Thu May 18, 2017 2:37 pm

Re: Phosphoric acid

Post by Terry Hand » Mon Oct 14, 2019 12:24 pm

Have you looked at self-etching primers?
Semper Fi,

Terry Hand
Athens GA

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