包装材料ガイド: PET/AL/PE

Question 1

What is PET/AL/PE packaging?

Accepted Answer

PET/AL/PE is a laminated flexible packaging structure using PET as the outer layer, aluminum foil as the barrier layer and PE as the inner heat sealing layer. It is commonly considered for products requiring stronger barrier protection.

Question 2

When should buyers choose aluminum foil packaging?

Accepted Answer

Aluminum foil packaging may be considered when the product requires stronger light barrier, oxygen barrier, moisture barrier or aroma protection, especially for coffee, sensitive powder products and longer shelf life applications.

Question 3

Is PET/AL/PE better than PET/VMPET/PE?

Accepted Answer

PET/AL/PE usually provides stronger light and barrier protection because it uses aluminum foil. PET/VMPET/PE is often more economical. The final choice depends on product and shelf life requirements.

Question 4

Can PET/AL/PE be used for retort pouches?

Accepted Answer

Retort packaging requires careful structure review including the inner sealing layer and sterilization conditions. PET/AL/PE should not be assumed suitable for all retort applications without technical confirmation.

Question 5

What information is needed before quoting PET/AL/PE packaging?

Accepted Answer

Product type, size, material requirement, thickness, quantity, printing colors, artwork file, target market and China OEM or domestic warehouse handover requirement if applicable. If not sure about the structure, we help review options.

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.