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What are the functions of non cyanide electroplating compared with traditional cyanide electroplating? (cyanide free alkali copper)
功用一
电镀结合力优秀
美标卫浴在搬迁到北美后，因为过去美标选用的无氰预镀铜工艺，在工件深凹处(即低电区)只获得较薄的镀层，在后续的酸铜电镀中，该区域镀层遭受腐蚀，造成该部位起泡。为了解决问题，美标卫浴经过一番查找，终究联系到专门从事制作金属表面处理化学品的美国电化学产品公司。美国电化学产品公司很快协助美标排除了出产线的故障，供给相关的无氰镀铜工艺，提升电镀出产效率，成果显示非常好。
依据美国电化学产品公司要求，工作人员选用2安培每平方分米电流密度镀20分钟，低凹处(低电区)铜层厚度到达6-7微米，镀铜后的工件随即被送往美标公司的墨西哥工厂，这个改进后的作用对美标是清楚明了的。最让人惊喜的是电镀结合力优秀，并没有起泡现象出现。
功用二
无毒环保，减少废水排放量
无氰镀铜工艺消除了工厂运用剧毒氰化物的风险，使得在卫浴五金挂件等电镀进程中，减少了氰化钠的运用，整个电镀进程不会分化对人体有害气体，提升环保性能。无氰镀铜工艺还降低了昂扬的出产成本，这也是美标公司绝对在北美工厂不运用氰化物的两个原因。
而科勒卫浴也曾选用无氰电镀工艺出产花洒，称卫浴洁具出产中出产的废水首要来源于电镀工序，镀件预清洗及镀后清洗废水，还有电镀污泥等。而无氰镀铜工艺一起担当冲击镀和正常电镀的两种作用，因为铜含量低，意味着废水处理只出产较少的污泥。镀层结晶比氰化镀详尽，镀层结构更细密。而污水的排放量变得更小，整个出产进程更加环保。
文章源自：无氰碱铜 www.newstar-china.com
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