包材常用的工艺
Common processes of packaging materials
四色印刷
Four color printing
1. 所谓四色即：青（C）、品红（M）、黄（Y）、黑（K）四种油墨，所有颜色都可以通过这四种油墨混合而成，最终实现彩色图文。
1. The so-called four colors are green (c), magenta (m), yellow (y) and black (k). All colors can be mixed through these four inks to finally realize color graphics and text.
2. 最普通也是最常见的印刷，不同承印物上印出的效果不同。
2. The most common and common printing, with different printing effects on different substrates.
图片
picture
专色印刷
Spot color printing
1. 专色印刷是指在印刷时专门用一种特殊的油墨来印刷该颜色，比四色混合出的颜色更鲜亮。常用的是专金，专银。
1. Spot color printing refers to printing the color with a special ink, which is brighter than the color mixed by four colors. The commonly used are special gold and special silver.
2. 专色颜色很多，参考潘通色卡，专色无法实现渐变印刷，有需要则加入四色印刷。
2. There are many spot colors. Refer to Pantone color card, spot color cannot realize gradient printing, and four-color printing is added if necessary.
图片
picture
过光胶
Super gloss glue
1. 印刷后，以透明塑料聚氨酯软管 PVC软管 隔离墩模具 u型槽模具 护坡模具 pvc输送带 尼龙输送带 天津除甲醛 北京除甲醛 薄膜通过热压覆贴到印刷品表面，起保护及增加光泽的作用，表面光亮，见下图。
1. After printing, a transparent plastic film is pasted to the surface of the printed matter through hot pressing to protect and increase luster. The surface is bright, as shown in the figure below.
2. 纸盒表面处理最基本工艺。类似的还有过光油，但是过胶能增强纸张的硬度和抗拉性能。
2. The most basic process of carton surface treatment. There are similar varnish, but glue can enhance the hardness and tensile properties of the paper.