【Solder joints are firm and stable】 Solder joints with flux are full and effective oxidation resistance 【New high-purity tin ore】 The material is made by electrolysis of tin ore, with sufficient solder and smooth tin wire surface 【Perfect soldering ability】 The welding wire has low melting point, smooth flow and fast welding speed 【Welding wire parameters】 Diameter: 0.8mm Tin wire weight: 50g 【Application】 It is applicable to the maintenance of circuit boards, televisions, radios and other household appliances