... in TV set, radio or normal home appliancesRepair of normal home appliances and audio facilitiesSoldering in radio ... silver, bismuth, indium, zinc, antimony, and traces of other metals. Most lead-free replacements for conventional Sn60 ... from a tube, with a brush, from the core of the solder or in any combination, depending on ... but to be safe, always use a flux core so that you don’t forget. 10PCS/box ...