Food packaging bags are a type of packaging design that has emerged in daily life for the convenience of preserving and storing food. Food packaging bags refer to thin film containers that come into direct contact with food and are used to contain and protect food.
The materials commonly used in food packaging bags are divided into six categories:
1. Material: BOPP/LLDPE two-layer composite
Features: moisture-proof, cold resistant, strong low-temperature heat sealing force;
Uses: instant noodles, snacks, frozen Dim sum, powder packaging, etc;
2. Material: BOPP/CPP two-layer composite
Features: moisture-proof, oil resistant, high transparency, and good stiffness;
Usage: Instant noodles, biscuits, candies, various lightweight foods;
3. Material: BOPP/VMCPP composite
Features: moisture-proof, oil resistant, oxygen resistant, light blocking, good stiffness;
Usage: Various dry foods, fried foods, potato chips;
4. Material: BOPP/VMPET/LLDPE three-layer composite
Features: moisture-proof, oxygen resistant, and light blocking;
Usage: Various foods, rice snacks, snacks, tea leaves;
5. Material: PET/CPP two-layer composite
Features: moisture-proof, oxygen barrier, fragrance retention, and high temperature resistance;
Usage: Steaming and cooking, alcoholic foods, and flavored foods;
6. Material: PET/PET/CPP three-layer composite
Features: moisture-proof, heat-resistant, and easy to seal;
Usage: Powder packaging, soy sauce, liquid, shampoo;
