Rosin-core flux for lead-free solder wire and no-clean liquid flux were developed according to optimized fomulation, then the property of these fluxs were test in accordance with correlative standard. 按照优化配方制备出无铅松香芯焊锡丝中助焊剂和免清洗液态助焊剂两款无卤素助焊剂并依据标准对其进行性能测试。