1. |
Since PEPA® is made of PP and the starch system and PVA system currently used for kraft paper and art paper are not applicable for PEPA®, it is recommended to use low-temperature hot glue and installed an hot melt applicator on the bag making machine. If the folding is performed manually, a twin adhesive with higher viscosity is recommended. |
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2. |
The duration of the press operation shall be extended to acquire a better adhesion and shaping to the folded edges. |