不同的纸张印刷出来的效果有什么影响

　　What's the effect of printing different paper?

　　纸张是印刷过程中的承印物，是色料再现的载体，济南印刷厂对油墨印刷后的呈色效果影响很大。主要影响了印刷质量量的纸张有:纸张本身的白度、平滑度、光泽度和吸收性。

　　Paper is the printer in the printing process and the carrier of color reproduction. Jinan Printing Factory has a great influence on the color rendering effect of ink printing. Papers that mainly affect the quality of printing include whiteness, smoothness, gloss and absorbability of the paper itself.

　　一、纸张本身白度

　　I. The whiteness of the paper itself

　　纸张本身白度主要是指纸张可以全部反射入射光的才能，用百分比表示。济南印刷厂油墨是透明的，所以白度较高的纸张才能够更好的烘托出油墨最真实的颜色。国度行业规范规则，胶印铜版纸的白度不能够小于85%。

　　The whiteness of paper itself mainly refers to the ability of paper to fully reflect incident light, expressed in percentage. Jinan Printing Factory ink is transparent, so the paper with higher whiteness can better foil out the real color of ink. The whiteness of offset copperplate paper should not be less than 85% according to the national industry regulations.

　　二、平滑度

　　2. Smoothness

　　纸张的平滑度指的是纸张外表平整润滑的水平。纸张的平滑度也能够采用摩擦脱色的实验停止测试，平滑度越高显色性越好，油墨也不易渗漏进去，油墨枯燥之后的色泽度也会良好。

　　The smoothness of paper is the level of surface smoothness and lubrication. The smoothness of paper can also be tested by friction decolorization experiment. The higher the smoothness, the better the color rendering. Ink is not easy to leak in, and the color of ink after drying will be good.

　　三、光泽度与吸收性

　　Glossiness and Absorption

　　纸张的光泽度主要是指纸张外表的镜面反射水平。纸张的光泽度高，印上去的颜色效果就不容易呈现漫反射，饱和度和颜色的鲜艳度就越高。纸张的吸收性是指的纸张对油墨中的连结料、稀释剂等其他的吸收水平。假如纸张的吸收性较强的话，疾速吸收了油墨中的连结料和稀释剂，颜色得不到充沛的维护，就是让印刷品相形见绌。

　　The glossiness of paper mainly refers to the level of specular reflection on the surface of paper. The paper has a high gloss, and the color effect printed on it is not easy to show diffuse reflection. The higher the saturation and brightness of the color are. Paper absorptivity refers to the paper's absorptivity to binders, diluents and other levels of ink. If the paper absorbs strongly, it quickly absorbs the linking materials and diluents in the ink, and the color can not be adequately maintained, that is to say, the printed matter is dwarfed.

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