In this video I test six different methods to patina copper. Using a smaller extra sheet of copper, I use saltwater, vinegar, saltwater vinegar, muriatic acid, diluted muriatic acid, and ammonia in ...
Hindustan Copper Ltd., incorporated in the year 1967, is a Mid Cap company (having a market cap of Rs 28,232.27 Crore) operating in Metals - Non Ferrous sector. Hindustan Copper Ltd. key ...