The materials and characteristics of composite laminating plastic bags vary to meet different food packaging needs.

First, BOPP/LLDPE composite bags are suitable for packaging instant noodles, snacks, and frozen desserts, as well as for storing powdered foods, due to their moisture-proof and low-temperature heat-sealing tensile properties.

BOPP/CPP two-layer composite bags have moisture-proof and oil-resistant properties, high transparency, and good stiffness. They are suitable for packaging light foods such as instant noodles, biscuits, and candies to ensure clear display and food protection.

BOPP/VMCPP or VOPP/VMOPP/CPP composite bags have moisture-proof, oil-resistant, and oxygen-proof functions, as well as light-shielding effects. They are particularly suitable for the packaging of dry foods, fried foods, and potato chips to prevent grease and light from affecting food quality.
For BOPP/VMPET/LLDPE three-layer composite bags that require higher moisture-proof and oxygen-proof properties, they are widely used in various foods, including rice snacks and tea, effectively protecting foods from moisture and oxidation.

PET/CPP or PET/LDPE composite laminated bags are particularly suitable for packaging steamed foods and foods containing alcohol due to their moisture-proof, oxygen-proof, and aroma-preserving properties, and can maintain the aroma and quality of food. The moisture-proof, high-temperature-resistan,t and easy-to-seal properties of PET/PET/CPP three-layer composite bags make them ideal for packaging powders, soy sauce, liquid,s and shampoos.
The selection and characteristics of these composite bag materials determine their scope of application in food packaging, ensuring the quality of food and consumer experience.

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