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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

  • 2026-07-04 05:11:04
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。

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  1. CONNECT:[ UseTime:0.000386s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000688s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000603s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000301s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000542s ]
  6. SELECT * FROM `set` [ RunTime:0.000284s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000625s ]
  8. SELECT * FROM `article` WHERE `id` = 559887 LIMIT 1 [ RunTime:0.001114s ]
  9. UPDATE `article` SET `lasttime` = 1783123878 WHERE `id` = 559887 [ RunTime:0.012077s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000355s ]
  11. SELECT * FROM `article` WHERE `id` < 559887 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000521s ]
  12. SELECT * FROM `article` WHERE `id` > 559887 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005004s ]
  13. SELECT * FROM `article` WHERE `id` < 559887 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000723s ]
  14. SELECT * FROM `article` WHERE `id` < 559887 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000929s ]
  15. SELECT * FROM `article` WHERE `id` < 559887 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001163s ]
0.101723s