1.
Since PP Synthetic Paper is made of PP and the starch system and PVA system currently used for kraft paper and art paper are not applicable for PP Synthetic Paper, 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.
2.
The duration of the press operation shall be extended to acquire a better adhesion and shaping to the folded edges.