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郑州这批废旧锡膏焊锡泥,电子厂含锡废料怎么出手

  • 2026-08-19 03:03:13
郑州这批废旧锡膏焊锡泥,电子厂含锡废料怎么出手
郑州做电子制造的工厂不少，锡膏和焊锡泥是每个电子厂都有的废料，但很多厂家不知道这类料该怎么出手，要么攒着不动，要么随便找个人来拉走，低价收了事。
这类废料含锡量不低，处理好了价值可观，处理不好就是白白损失。

废旧锡膏和焊锡泥，是两类不同的料

很多厂家把锡膏废料和焊锡泥混在一个容器里，当成一类东西处理。实际上这两类料的含锡量差距相当大，混在一起处置，含量高的那部分价值就被稀释了。
废旧锡膏，主要来自SMT工序里过期的锡膏、印刷不合格的边角料、清洗钢网刮下来的含锡废料。锡膏的固体部分是锡合金粉末，含锡量很高，SAC305这类无铅锡膏固体部分含锡量在96%以上。但锡膏里有助焊剂，助焊剂是有机溶剂，不含锡，占整体重量大概10%至15%。所以按整批湿料谈价，实际含锡量会低于你想象的。
焊锡泥，主要是波峰焊锡槽里的锡渣、锡泥，以及手工焊产生的锡渣。氧化程度不同，含锡量差距很大。锡渣氧化重，含锡量可能只有三四成；锡槽底部沉积的锡泥氧化轻，含锡量通常更高。混在一起，含量就被均摊了。

出手前必须搞清楚的几件事

有铅还是无铅

有铅焊锡（Sn63Pb37这类）和无铅焊锡（SAC系列），含锡量不一样，买方不一样，部分地区对含铅废料有额外的处置要求。两类料混在一起，买方也会为难。出手前先确认，分开存放，分开出货。

助焊剂含量

废旧锡膏含助焊剂，按湿重谈价，买方必然要折扣这部分重量。最好的办法是让样品自然晾干或者低温烘干，确认干基重量，按干基谈价，对自己更有利。

银含量不能忽视

无铅SAC系列锡膏含银，SAC305含银3%，SAC205含银2%。对于一批几百公斤乃至几吨的废旧锡膏，银的价值加起来相当可观，可以达到整批料价值的10%至20%。处置前做一次全元素检测，银含量确认了，谈价时这块价值不能不算。
有铅锡膏不含银，但含铅本身有价值，铅的价值也要算进去。

攒够量再出，不要太分散

废旧锡膏单次产生量通常不大，很多工厂每个月也就几十公斤。单次几十公斤出货，运输成本占比太高，经济性很差。建议攒到一定量再统一处置，通常100公斤以上会好很多。
焊锡泥同理，分批少量出效率很低。底部锡泥和表面锡渣单独收集，分开出货，含量高的那部分价格会好看不少。
电子厂含锡废料这块，很多人亏在细节上。知道含银量、知道有铅无铅要分开、知道干基和湿基的区别，出手价格就已经比同行高出一截了。有这类料要处置的朋友可以找我。
上一篇郑州系列内容：《郑州含镍催化剂回收，加氢裂化废镍触媒和加氢精制废镍触媒区别在哪》，感兴趣的朋友可以翻看。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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