포장재 가이드: PET/PE

Question 1

What is PET/PE packaging?

Accepted Answer

PET/PE is a laminated flexible packaging structure using PET as the outer printable layer and PE as the inner heat sealing layer. It is one of the most common starting structures for general food packaging.

Question 2

Is PET/PE suitable for food packaging roll film?

Accepted Answer

Yes. PET/PE can be used for some automatic packing roll film projects, but the film width, thickness, sealing layer, eye mark and machine compatibility should be confirmed.

Question 3

Can PET/PE be used for automatic packing machines?

Accepted Answer

Yes. PET/PE can be used for automatic packing machine roll film, but the film width, sealing temperature, COF, eye mark and core size must be confirmed with the project requirements.

Question 4

Is PET/PE suitable for high barrier packaging?

Accepted Answer

PET/PE provides general moisture protection and is suitable for many dry food applications, but products with strong oxygen, aroma or light barrier requirements may need PET/VMPET/PE or PET/AL/PE.

Question 5

What information is needed before quoting PET/PE packaging?

Accepted Answer

Product type, filling weight, bag type or roll film, size, thickness, quantity, printing colors, artwork file, shelf life requirement, storage condition, target market, packing process, China OEM handover requirement if applicable and sample photo.

Question 6

Can the structure and thickness be customized?

Accepted Answer

Yes. The structure and thickness can be reviewed according to product type, filling weight, shelf life, packing machine and sealing requirements.