How to make the stand up pouches with a window?
What is a stand up pouches with window? It is one types of stand up pouches with a "pre-viewing perspective”, thru this window, let the consumers clear known what product is packaging inside, in order to lead the customers desire to purchase them. Maybe, your products are also using this kind of packaging, however, do you know which kind of detailed styles they are?
Relative article: types of flexible packaging laminate materials structures
1-kraft paper stand up pouch with window
Material structure |
Printing layer |
Barrier layer |
Contact layer |
① |
Kraft paper |
PET |
LLDPE |
② |
Kraft paper |
----- |
CPP |
This kind of window is made on the printing layer, that is pre-cut a custom window on the Kraft paper, then laminated with the barrier layer and contact layer(PET/LLDPE or CPP),because they are transparent, so, we could see the inside product thru it.
2-stand up pouch with clear window
Material structure |
Printing layer |
Barrier layer |
Contact layer |
① |
PET |
PET |
LLDPE |
② |
PET |
Nylon |
LLDPE |
③ |
BOPP |
----- |
CPP |
Its window is also made on the printing layer, but it is reserving a “no printing “area as a window, plus the barrier layer and contact layer are transparent, so, we could see the inside product thru it.
3-Transparent&metalized stand up pouch with window
Material structure |
Printing layer |
Barrier layer |
Contact layer |
Front side(transparent) |
PET |
PET |
LLDPE |
Back side(metalized) |
PET |
Metalized-PET |
LLDPE |
Its window making method is the same as the one with clear window, the only difference is the window only can be made on front (transparent) side.
4-Aluminum washing stand up pouches with window
Material structure |
Printing layer |
Barrier layer |
Contact layer |
① |
PET |
Metalized-PET |
LLDPE |
This kind of pouch is special, its window is made on the barrier layer, that is by the method of "washing aluminum" to make a partial of Metalized-PET to be transparent, then laminated with the printing layer and contact layer(PET and LLDPE),because they are transparent, so, we could see the inside product thru it.
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