Plastic packaging bags usually come in various types, which can be divided into the following types according to their uses, materials and manufacturing processes:
1. Food packaging bags: Plastic bags used to package food are usually produced with food-grade materials to ensure safety and hygiene.
2. Shopping bags: Common supermarket shopping bags are generally made of plastic materials such as polyethylene (PE) or polypropylene (PP).
3. Garbage bags: Plastic bags used for collecting, shipping and disposing of garbage, usually thick to prevent tearing and leakage.
4. Express packaging bags: Plastic bags used for mailing packages and express delivery usually have certain wear-resistant and tear-resistant properties to protect items from damage.
5. Agricultural bags: Plastic bags used for agricultural production, such as seed bags, fertilizer bags, etc., usually have certain moisture-proof and sun-proof properties.
6. Medical bags: Plastic bags used for medical waste disposal, pharmaceutical packaging, etc. are required to comply with relevant health standards to ensure safety and sterility.
7. Industrial bags: Plastic bags used for industrial production and packaging, such as chemical raw material packaging bags, building material packaging bags, etc., usually require certain corrosion resistance and wear resistance.
8. Sealed bags: Plastic bags with sealing function are often used to preserve food, documents and other items to prevent the intrusion of external factors such as air and moisture.
9. Vacuum bags: used for vacuum packaging of food to extend the shelf life of food. They are often used for household food storage and commercial food packaging.
10. Air cushion bags: Plastic bags containing gas, used to cushion and protect fragile items, often used in the packaging of electronic products and glass products.
11. Composite bag: It is a packaging bag composed of multiple layers of different materials. These materials are bonded together through a composite process to combine the characteristics of various materials to provide better packaging performance.
