Oatey #95 lead-free tinning flux cleans, tins and fluxes most commonly soldered metals including copper, brass, zinc, galvanized iron, lead and tin or copper-coated metals. #95 contains lead-free solder powder which helps draw in the solder wire. Fluxing is a critical step in the soldering process. #95 tinning flux provides great wetting properties for better solder flow and can be used with most soft solders. #95 tinning flux complies with CA and VT lead content regulations.