
Curated with aloha by
Ted Mooney, P.E. RET

The authoritative public forum
for Metal Finishing 1989-2025

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Trapped acid bleeds out from galvanizing

Q. What's the best way to pickle a steel with double plate. Most times after pickling I get acid blow-out from those double plates causing black spots in the galvanized steel
Ismail jagar- Nigeria
March 7, 2025
A. Hi Ismail,
Please attach a pic to email to mooney@finishing.com. We have a general idea of the problem you are describing but details usually matter 🙂
Luck & Regards,
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
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