纸塑复合开窗袋生产工艺

Production Process of Paper-plastic Composite Windowing Bag

开窗纸塑袋比一般纸塑复合袋多一个工序，即在复合前进行开窗工序。该工序的难点是控制开窗处复合时不起皱。本文介绍了纸塑复合时，胶水的上胶面、上胶量等与塑塑复合不同的地方，以及开窗时应注意的要点。

There is a more windowing procedure in the production of paper-plastic composite windowing bag, comparing with the general paper-plastic composite bag .The difficulty of the procedure is how to avoid wrinkling when windowing. This article introduces the difference between plastic-plastic composite and paper-plastic composite in the amount of glue and gluing surface, as well as the key point of windowing process.