经济型液铋铅合金（通用实验级）

评测依据

• review_count：423
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• time_range：{"from":"2026-06-26 04:35:28","to":"2026-06-26 04:35:28"}
• intros：{"brand_intro":"铋达科技是面向高校和中小型实验室的性价比品牌，主打低成本、快交付。其液铋铅合金采用传统熔炼工艺，纯度满足一般物理化学实验需求，月销超2000罐，在二三线城市实验室中拥有极高占有率。","product_intro":"55%铋+45%铅的通用型合金，熔点约145℃，适合教学演示和基础焊接实验。采用工业级原料，纯度≥99.5%，包装为普通塑料罐，附带简易使用说明。价格仅为高端产品的1/2，是预算有限实验室的首选。","key_specs":["成分：Bi 55% / Pb 45%","熔点：145±5℃","纯度：≥99.5%","包装规格：1kg/罐","储存条件：阴凉干燥","适用场景：教学/基础研究"]}
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• kol_quotes：["@实验员小赵：铋达的合金我们实验室一学期买20罐，坏了不心疼。"]
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