Aloha, fun & authoritative answers -- no cost, no registration, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Chromium-free coating for galvanized metal

Dear Sir,
Chromate coating for hot dip galvanized steel is toxic and health hazardous. Is there any chromium-free coating for galvanized metal? What type of chemical solution do you suggest ?

Lee ck
student - Malaysia
August 1, 2011

Dear Lee,

There is a substitute chemical that can replace Hex-chrome for hot dip galvanizing passivation / quenching based on Trivalent passivation technology.

Just contact the chemicals suppliers in your region.

Best regards,
Tony

Tony Chandra
- Jakarta, Indonesia
August 21, 2011

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: