Aluminum foil composite bags are multi-functional packaging bags made by bonding multiple layers of materials such as aluminum foil and plastic film.

Key features and advantages:

High barrier properties: Effectively blocks light, oxygen and moisture, preventing the contents from oxidizing or becoming damp.

Fragrance retention and odor prevention: It can effectively lock in the fragrance while blocking the infiltration of external odors.

High mechanical strength: Excellent tear and puncture resistance, suitable for vacuum packaging and freezing.

Common material structures:

Three-layer structure: commonly PET/AL/LLDPE, mostly used in general room temperature products.

Four-layer structure: Commonly PET/AL/NY/CPP, suitable for products with higher requirements for light protection, moisture protection and oxygen barrier.