Copper Patina for Solder
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Villa Leadlights Copper Patina for Solder
This patina contains no nasty acids so is a little slower to react and may start to go black before turning copper. For best results, follow these instructions.
Copper patina is more sensitive so it’s very important to thoroughly clean off any flux residue first. You can use a paste made with baking soda and a squirt of dish washing liquid and scrub using a toothbrush, or you can use Kwik-Clean flux remover. Dry with a paper towel.
Next step is to polish the solder ….. yes before you apply the patina. Use a standard car polish for the final clean. Car polish contains an abrasive element and you will notice the paper towel picks up more black dirt when polishing.
Pour just enough patina into a separate container and apply liberally with a toothbrush. To avoid contamination, keep this toothbrush for copper patina only, and do not dip the brush directly into the bottle or tip any leftover patina back into the bottle. Dry your project with a paper towel. Avoid rinsing in water as minerals present in the water can affect the patina. To protect from oxidization, finish by applying a carnauba wax.