Letter 28596

Chemicals for blackening pewter sheeting  

++++ I would like to know, for the making of flat pewter artworks, what chemical I can use to blacken it. At the moment I am using black paint and then rubbing it off the areas that I want to remain silver. I know you can use a product called patina, but I cannot seem to locate it in South Africa. Is there a chemical I can buy that will cause the chemical reaction that blackens the pewter surface? Darleene Smith hobbyist - Fourways, Gauteng, South Africa ++++ You can use 200 gm/lit iron chloride solution(water)! Good luck! Goran Budija - Zagreb, Croatia ++++ Nitric acid will blacken pewter. You will need to balance the concentration % for the finish you would like. Nasty stuff - nitric - be careful Kurt Madison jewelry, beads and findings - Spokane, WA, US January 14, 2009 Hi there The Patina solution can be purchased at PNA if no stock you can order it, or try a good hobby shop Jena Lee - South Africa, Cape Town