Why a standing up pouch happen layer separation?

So, why does this happen? Well, one reason could be the use of the wrong materials. For instance, if a standing up pouch is meant to hold 100ml of fruit juice, but the manufacturer uses materials that aren't suitable for liquid packaging, it can lead to layer separation. Another reason could be using the wrong adhesive for the lamination process. If the adhesive isn't suitable for the liquid being packaged, it can cause the layers to come apart.

It all comes down to using the right materials and adhesives for liquid packaging, which can be pricier. Some manufacturers might be taking a risk or simply lack the experience needed to produce high-quality standing up pouch. It's a good reminder to always do your research and choose a reliable standing pouch manufacturer when it comes to packaging.

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