Characteristics of various materials for food packaging

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Flexible packaging factory, YT packi.
I am Alice, info@ytpacki.com

The raw film materials used in vacuum food packaging are food grade, non-BPA, such as : PE, PA, OPA, AL, PET. These materials play different roles in vacuum food packaging.

· PE Film (Polyethylene Film) is used for heat sealing layer and has high impact strength;
· PA Film (Polyamide/Nylon) OPA (oriented polyamide): used to increase physical strength and improve puncture resistance;
· AL Film (Aluminum foil film) is used to increase barrier properties and shading;
· PET Film (Polyethylene terephthalate film) can increase mechanical strength and increase hardness.

Specific food packaging production process, according to the needs of the content to match the different properties of the material.

Table 1 Introduction to common film materials for compounding