food composite packaging bags

Why are composite bags commonly used in "food packaging bags" on the market? For the single-layer mateial is difficult to make sure the shelf life and the food saftey. 

retort pouch leakage during sterilization

Causes of leakage of the retort pouch, and ways of avoiding leakage of the retort pouch during sterilization.

Characteristics of various materials for food packaging

The raw film materials used in vacuum food packaging are food grade, non-BPA, mainly: PE, PA, OPA, AL, PET.

These materials play different roles in food packaging.

Will the plastic packaging going hard in Germany in 2019?

The new “GPA” will be carried out on 1/1/2019, will the plastic packaging going hard in Germany?
Maybe the recycle packaging is one of the options for the plastic packaging sellers in Germany.

Vacuum packaging for different foods

Choose a suitable size for the packaging bag of your product——flat bottom bag