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51问答网 > 有铅锡丝和无铅锡丝密度差异，同等体积下重量差距多少

有铅锡丝和无铅锡丝密度差异，同等体积下重量差距多少

2025-03-15 08:53:42

推荐回答（1个）

回答1：

1、有铅锡条成分是锡、铅合成，一般常用的成分有Sn63Pb37。6337锡条熔点：183° 适用于波峰焊和手炉，经过精选电解提纯和特殊的精炼熔制特殊工艺之后，极大的除去了焊锡中的杂质元素和微细氧化物质，并在6337焊锡条中加入了微量的抗氧化元素，保证焊锡制品具有极佳的品质。 2、无铅锡条成分由锡、铜、银合成，一般常用的成分Sn99.3Cu0.7。无铅锡条（欧盟ROHS标准是含铅量小于1000PPM，日本标准是小于500PPM）。无铅锡条熔点：227°。

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