过UV是塑胶注塑件的一种表面处理工艺,一般塑胶注塑件的表面经过UV处理之后,可以让产品表面效果更亮,而且不容易被刮花,主要工艺是在表面喷上一层透明油,需要经过紫外光烤干,下面向大家讲解一下塑胶注塑件过UV要注意些什么:
1.由于UV漆固化速度快,生产效率高,通过紫外线固化, 30分钟即可;
2.涂层性能优异,涂层在硬度、耐磨、耐酸碱、耐盐雾、耐汽油等溶剂各方面的指标均非常高;特别是其漆膜丰满、光泽感尤为突出;
3.UV漆所采用的是光固化工艺,在加工时无污染。
4.UV涂料对灰尘较敏感,因而对加工环境要求较严格。
5.不防日晒,在阳光的照射下容易裂。
6.UV涂层时间长了会泛黄,因此,在产品外观要求纯白时,一般不建议使用UV做表面处理。
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