Paper-plastic composite bag

Composite bags are suitable for vacuum packaging or general-purpose packaging of food, electronic products, chemicals, pharmaceuticals, tea, precision instruments, and defense‑related products.

Composite bag:

Suitable for vacuum packaging or general packaging of food, electronic products, chemicals, pharmaceuticals, tea, precision instruments, and defense‑related products.

Raw materials:

OPP, PE, POF, PPE, PP, composite films, and so on

The processes are categorized as: side-seal bags, bottom-seal bags, center-seal bags, and three-side seal bags. Four different types of machinery are required.

1. Material: Two-layer composite of BOPP/LLDPE

Features: Moisture-resistant, cold-resistant, and exhibits strong low-temperature heat-seal strength.

Applications: instant noodles, snacks, frozen desserts, powdered packaging, etc.

2. Material: Two-layer BOPP/CPP composite

Features: moisture-resistant, oil-resistant, high transparency, and excellent stiffness.

Applications: instant noodles, biscuits, candies, and various lightweight food products.

3. Material: BOPP/VMCPP composite

Features: Moisture-proof, oil-resistant, oxygen-barrier, light-blocking, and excellent stiffness.

Applications: Various dried foods, fried foods, and potato chips.

4. Material: Three-layer composite of BOPP/VMPET/LLDPE

Features: Moisture-proof, oxygen-barrier, light-blocking

Uses: Various food products, rice-based snacks, treats, and tea.

5. Material: Two-layer PET/CPP composite

Features: Moisture-proof, oxygen-barrier, aroma-preserving, and high-temperature resistant.

Uses: Steaming and boiling; suitable for alcoholic foods and aromatic foods.

6. Material: Three-layer composite of PET/PET/CPP

Features: Moisture-resistant, high-temperature resistant, easy to seal

Applications: Powder packaging, soy sauce, liquids, shampoo