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如何區分印刷紙張的正反面

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-10 | 1440 Views | 🔊 Click to read aloud ❚❚ | Share:
常用以下三種方法區分印刷紙張的正反面。

如何區分印刷紙張的正反面

常用以下三種方法區分印刷紙張的正反面。

(1)用手摸。

手感光滑的一面為正面
,手感粗糙的一面為
反面。



(2)光下看。

將紙張放在光下麵看
,反光強的一面為正面,
反光弱的一面為反面。



(3)烘乾法。

將紙張在烘箱內烘乾
,紙張會發生捲曲,向里
捲的一面是反面,另一面是正面。

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如何區分印刷紙張的正反面
如何區分印刷紙張的正反面

 

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