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平板喷画的光油怎么辩别质量?
来源:www.dafangming.com 2018-2-21 23:05:04

光油是指在uv喷绘机工作时涂覆在印刷品表面,起到增加光泽度、耐磨性、防水性的一种液体。上光油包括水性上光油、油性上光油、UV上光油、醇溶性上光油等品种。现在国内应用最多的是水性上光油,因其具备非常好的环保性能。那么如何判断上光油的质量呢?
Light oil is a kind of liquid that is coated on the surface of the printed product when the UV painting machine works, and it can increase the gloss, wear resistance and waterproof. The polish oil includes water based polish, oily gloss oil, UV polish oil, alcohol soluble polish oil and so on. Water - based gloss oil is the most widely used in China now, because it has very good environmental protection performance. So how to judge the quality of the polish oil?
1、闻气味。UV油固含量约95%以上,固含量物质挥发性很小。UV光油的气味主要是由上光油中的少量溶剂散发出来的,因此好的上光油味很小,应比印刷用的油墨气味小。固化后气味越小越好。


济南平板喷画1. Smell the smell. The oil solid content of UV is about 95%, and the volatile matter of solid content is very small. The odor of UV light oil is mainly emitted from a small amount of solvent in the polish oil, so the good gloss oil tastes small and should be smaller than the printing ink. After curing, the smaller the better the smell.
2、测溶剂含量。将上光油置人带刻度器皿内(直径小于50mm),放置12h后,观察挥发了多少。一般看不到表面位置的下降。若明显观察出下降,说明上光油内溶剂过多,是原有光油添加过稀释剂的伪劣产 品。
2. Measure the content of the solvent. Put the polish oil into the scale vessel (diameter less than 50mm) and place the 12h, and observe how much it volatilized. Generally, the drop of the surface position can not be seen. If the decline is observed obviously, the solvent in the polish oil is too much, which is a fake and inferior product with the original light oil added to the diluent.
3、观察UV光油的颜色。将UV光油至于透明度好的玻璃容器里观察,颜色浅的为佳。
3. Observe the color of UV light oil. It is better to observe the UV light oil in a transparent glass container with light color.
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