plating, anodizing, & finishing Q&As since 1989
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
How much of each component did you add to your tank, and what is your present analysis, including pH?
Falls Township, Pennsylvania
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