famuel Posted April 12, 2010 Posted April 12, 2010 Hi I have a commision to make a balcony with a galvanised acid etch black finish. The galvanising is no problem but the acid etch black finish is. How do achive this? Quote
cavala Posted April 12, 2010 Posted April 12, 2010 I use cold bluing solution sold by Jax chemicals, the iron steel nickel blackener works almost instantly. It works great on galvanized metal. I use a wax or a clear coat paint on plain steel not sure if you need it with galvanizing but might be a good idea so your finish doesn't rub off with time and handeling. It's a little expensive and there is a hazardous handeling fee which is the same for a pint and multiple gallons so more is better. Quote
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