Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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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 ?
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
- Jakarta, Indonesia
August 21, 2011
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