电镀毛坯粗化工艺,微孔数是不是越多

2025-04-02 07:45:24
推荐回答(1个)
回答1:

塑胶电镀一般都是三层金属电镀,我讲一个最具代表性的工艺过程:前处理:除油除蜡(除去胶件表面脏污等)--亲水(活化基体表面,使之更容易粗化)--粗化(腐蚀ABS里面的B组分,使产品表面出现微小凹坑)--中和(中和掉粗化带出来的酸和Cr6+)--钯水(在产品表面粗化后的小坑内承上胶体钯)--解胶(使胶体把水解,得到钯原子附在产品表面小凹坑)--化学镍(利用之前承上的钯催化,在基体表面承上一层薄薄的化学镍),至此,就将一个不导电的塑胶件变成一个导电体,接下来的就是后处理电镀了;后处理:瓦特镍(或者焦铜)--光铜--半光镍--光镍--封口镍(或者珍珠镍)--光铬--最后烘干出机。至此,塑胶电镀工艺完毕,剩下就是包装检验过程了!希望对你有帮助!

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