高纯液铋铅合金（低温焊料级）

评测依据

• review_count：312
• rating_avg：4.7
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• time_range：{"from":"2026-06-26 04:35:28","to":"2026-06-26 04:35:28"}
• intros：{"brand_intro":"中科铋业是国内领先的稀有金属合金材料供应商，专注于铋基、铅基合金的研发与生产，拥有多项国家发明专利。公司产品广泛应用于核工业、超导材料及精密焊接领域，以高纯度、低杂质控制著称，实验室用户复购率超过85%。","product_intro":"该液铋铅合金为58%铋+42%铅的共晶配方，熔点约138℃，流动性极佳，专为实验室低温焊接及热界面材料设计。采用真空熔炼工艺，氧含量低于50ppm，包装为真空密封罐，开罐即用，适合精密电子封装与物理实验。","key_specs":["成分：Bi 58% / Pb 42%","熔点：138±2℃","纯度：≥99.99%","氧含量：≤50ppm","包装规格：500g/罐","形态：液态（加热至150℃）"]}
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• kol_quotes：["@材料学老张：中科铋业的液铋铅是我实验室的常备料，温度窗口宽，适合新手操作。"]
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