The compound bag is suitable for vacuum packaging or general packaging of food, electronic products, chemical industry, medicine, tea, precision instruments and national defense cutting-edge products.

Raw materials: OPP, PE, POF, PPE, PP, composite film, etc.

The process is divided into: side seal bag, bottom seal bag, middle seal bag and three side seal. Four different machines are required.

Material classification

1. Material: BOPP/LLDPE two-layer composite

Features: moisture-proof, cold-resistant, low-temperature heat sealing and strong tensile strength;

Uses: instant noodles, snacks, frozen snacks, powder packaging, etc.

2. Material: BOPP/CPP two-layer composite

Features: moisture-proof, oil-resistant, high transparency, good;

Uses: instant noodles, biscuits, candy, all kinds of light food.

3. Material: BOPP/VMCPP composite

Features: moisture-proof, oil resistance, oxygen barrier, shading, good;

Uses: all kinds of dry food, fried food, potato chips.

4. Material: BOPP/VMPET/LLDPE three-layer composite

Features: moisture-proof, oxygen barrier, shading;

Uses: all kinds of food, rice snacks, snacks, tea.

5. Material: PET/CPP two-layer composite

Features: moisture-proof, oxygen barrier, fragrance protection, high temperature resistance;

Uses: cooking, alcoholic foods, flavored foods.

6. Material: PET/PET/CPP three-layer composite

Features: moisture-proof, high temperature resistance, easy sealing;

Uses: powder packaging, soy sauce, liquid, shampoo.