jmeipacking

How to select material structure for your spout pouch bag?

April 8, 2022

info@jmeipacking.com

How to select material structure for your spout pouch bag?

How to select an appropriate material structure for your spout pouch bag? if this is the first time you adopt by this kind of packaging,it will be is a quite tricky problem,first of all,you may don’t know what is their characteristic,secondly,you maybe don’t know which one is more suitable for the packaging of your products.

1-what is their usage?

The same as the traditional rigid packaging,helping to barrier the oxygen/moisture,in order to extend the shelf life of filled products.

2-what is their detailed performance?

(1)PET/LLDPE

Print layerBarrier layerContact layer
PET—————LLDPE

Its performance of against the oxygen and the moisture is bad,suitable for the fast selling products.

(2)PET/PET/LLDPE

Print layerBarrier layerContact layer
PETPETLLDPE

Its performance of against the oxygen and the moisture is ordinary.

(3)PET/Nylon/LLDPE

Print layerBarrier layerContact layer
PETNylonLLDPE

Its performance of against the oxygen and the moisture is ordinary,but with the perfect character of against the punching and the pressure.

(4)PET/Metalized-PET/LLDPE

Print layerBarrier layerContact layer
PETMetalized-PETLLDPE

Its performance of against the oxygen and the moisture is perfect,especially to against ultraviolet rays.

(5)PET/AL/Nylon/LLDPE

Print layerBarrier layerContact layer
PETAL/NylonLLDPE

Besides the best character of against the oxygen/moisture/ultraviolet rays,also with the perfect character of against the punching and the pressure.

(6)PET/Nylon/RCPP

Print layerBarrier layerContact layer
PETNylonRCPP

Its performance of against the oxygen and the moisture is ordinary.suitable for the all kinds liquid retorted foods.

(7)PET/AL/Nylon/RCPP

Print layerBarrier layerContact layer
PETAL/NylonRCPP

It is the strengthened version of “PET/Nylon/RCPP”,with the best character of against the oxygen/moisture/punching/pressure.

3-which material structure is more suitable for your product?

Besides above characteristic of material structure,you also need to fully consider another factor combining with the characteristic of your products,such as:need to be cool filled or hot filled?your spout bags require to be pasteurized or retorted after a product filling?and then analyze which one is appropriated for your products and spout pouch bag.

Here,you should have 1-2 ideal selection from them,then combining with the quotation from the spout pouch suppliers to account whole the packaging cost,in order to make a final select the most appropriate one from them.

Plastic standup center spout pouch/food bag with screw spout

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