D Tartaric Acid offered by us, when combined with sodium lauryl sulfate, is good at cleaning the surfaces of metal items made of a variety of metals. Iodine is a kind of iodine. Is effective in delivering a metal product that has been cleansed by the chemical composition and has a lustrous surface coating too. D Tartaric Acid is used in grape and lime-flavored drinks, gelatin desserts, jams, jellies, and hard sour sweets, tartaric acid, in form of acidulant. This is very effective and safe to use.