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Limiting gas formation in sulphate-based acid Zn plating






I am responsible for continuous strip electrogalvanizing line ( a horizontal, consumable anode one ), I have problem about gas formation at the bottom of strip and surface marks because of gas formation. I need a help for controlling the gas formation and/or avoid from the surface marks. My bath was composed of zinc sulphate, ammonium sulphate and ammonium chloride.

Does Bath composition effect on this or not ?

Does pH level effect on this or not ?

Does Temperature effect on this or not ?

Is there Any other chemic. additives for controlling the gas formation in the market ?

Thank you for whom make any suggestion.

Hamdi Ercelik
- Istanbul, Turkey
2000


How much of each component did you add to your tank, and what is your present analysis, including pH?

tom pullizzi monitor   tom pullizi signature
Tom Pullizzi
Falls Township, Pennsylvania
2000




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