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Multi-layer co-extruded non-PVC film for infusion bags
Structure
Non-PVC films are usually composed of various high - molecular polymers, such as polyethylene (PE), polypropylene (PP), polyester (PET), etc. There are no chlorine atoms in their molecular structures, so they do not produce harmful substances like dioxins, making them suitable for applications with high environmental protection requirements.
Characteristics
1.Physical properties: It has excellent stretchability and flexibility, can withstand sterilization at 121°C and low - temperature storage, and is not easily damaged. It has high transparency, facilitating the inspection of foreign objects. The outer layer has good mechanical strength, providing protection.
2.Chemical properties: It is an inert material with good drug compatibility and strong stability, and does not react with drugs.
3.Processing properties: The inner layer has good heat - sealing performance, facilitating molding. It can be formed in one step through multi - layer co - extrusion blow molding.
4.Barrier properties: The multi - layer structure enhances the barrier effect against oxygen, water, carbon dioxide, and odors.
5.Safety properties: It does not contain adhesives and plasticizers, and no harmful substances are precipitated. There is no need to supplement air during infusion, reducing the risk of contamination.
6.Environmental properties: Most of the materials are degradable, causing less pollution and being easy to recycle.
7.Cost - effectiveness: When achieving the same barrier effect, the cost is lower. The manufacturing process is simple, and the production cost can be reduced by 10 - 20%.
Applications
1.Medical field: Infusion bags, blood transfusion bags, medical catheters, etc.
2.Food packaging: Food wraps, food containers, beverage bottles, etc.
3.Construction field: Environment - friendly floors, wallpapers, pipes, etc.
4.Electronic products: Insulation layers of wires and cables, casings of electronic devices, etc.
5.Daily necessities: Toys, stationery, household items, etc.
Advantages
1.High safety: It does not contain plasticizers and harmful substances, making it suitable for direct contact with the human body and food.
2.Environmental sustainability: It reduces environmental pollution and conforms to the concept of green manufacturing.
3.Superior performance: It combines flexibility, durability, and chemical stability.
4.Wide applicability: It can meet the needs of various industries.
Packaging Methods
1.Roll packaging: Suitable for film - type products, such as food wraps and medical films.
2.Bag packaging: Used for packaging small items or powdery materials.
3.Box packaging: Suitable for protective packaging of precision instruments or high - value products.
4.Pallet packaging: Used for large - quantity transportation to ensure that products are not damaged during transportation.
5.Customized packaging: Provide personalized packaging solutions according to customer requirements.