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Chemically Rusting Galvanized Metal

I am a home owner that is creating a pool room in a new home. I am using corrugated Galvanized Roofing material for an architectural finish on some walls. The material was new. I have tried using a diluted Bleach and water solution with almost no result. Subsequently I tried a solution of Muriatic Acid and water with no real rust appearing either. can you suggest a way to easily rust this material. I have approx. 40 pieces 25" x 36".

Martin J. Wieczorek
- Glendale, Arizona
2005
publicly reply to Martin J. Wieczorek

2005

You can try 20% iron(III)chloride solution!

Mixture of 20 gm copper sulphate ⇦ on eBay or Amazon [affil links] /10 gm salt/100 ml water can be used too (if galvanized =zinc plated). Good luck!

Goran Budija
- Cerovski vrh Croatia
publicly reply to Goran Budija

2005

Try sandpaper and vinegar ⇦in bulk on eBay or Amazon [affil links] , I believe letter 30790 gives more details.

Good luck.

Jim Gorsich
Compton, California, USA
publicly reply to Jim Gorsich

adv.
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