#95 TINNING FLUX - A high quality addition to our complete line of fluxes. Offers the same basic features as #7 but is formulated with powdered solder metal (96% tin, 3% copper, 1 % bismuth). Solves the fluxing and soldering problems in potable water lines and where lead solders are not permitted. Insures the proper solder flow for all pipe sizes. Will not discolor copper or other materials.