A metal treatment for nickel-based metals that will develop a patina on the metal surface. This patina may appear blue but will become black once the item has been waxed or lacquered. Intended for use by immersing the item to be treated into the fluid although it can be used in a rotating barrel. Will not etch the metal and cause dimensional changes.
Coverage - Approx. 10-12m2 per litre, when diluted
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