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topic 29459

Pink Tinted Clear Chromate



2004

We are receiving in sheetmetal with Clear Chromate over Zinc. The Chromate has a distinct pink tint? Can anybody identify what has changed in our suppliers process?

Thanks.

Jim Hanson
Electronics Mfg - Redwood Falls, Minnesota, USA


2004

Dear Mr Hanson,

It looks like your supplier has changed the supplier of his clear chromating bath for the better, the pink tint is an indication of more chromate on the zinc.

Khozem Vahaanwala
Khozem Vahaanwala
Saify Ind
supporting advertiser
Bengaluru, Karnataka, India
saify logo


2004

Mr. Hanson,

Dump the chromate bath and make a new one. Your Clear chromate has been contaminated. Some other things to check for are the sour dip bath, when your sour dip goes out it contaminates your clear chromate.

Regards,

Joel Garcia
- McAllen, Texas

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