一、概述一般日用五金制品经电镀后即为成品。从出厂到销售往往要在仓库里贮存一段时间。在气候变化或贮存环境因素影响下,泛点、生锈等时有发生。要求高一些的产品就得在表面涂上一层无色透明清漆。但耗费的人力、物力较多,三废公害也难于治理。 First, an overview of general daily hardware products after plating is the finished product. From the factory to sales are often stored in the warehouse for some time. Under the influence of climate change or storage environment factors, such as pan-point and rust occur from time to time. The more demanding products have to be painted with a clear, colorless varnish on the surface. However, it takes a lot of manpower and material resources, and it is difficult to control the pollution caused by the three wastes.