Information details

How do composite film materials meet the requirements of sterility, moisture-proof, and tear resistance of Medical Header Bags Packaging?

How do composite film materials meet the requirements of sterility, moisture-proof, and tear resistance of Medical Header Bags Packaging?

Oct 08.2024

1. Sterility requirements
Medical Header Bags Packaging has extremely high requirements for sterility, because sterile packaging can ensure that medical equipment and instruments are free from microbial contamination during transportation, storage, and use, thereby ensuring the safety of patients and the effectiveness of treatment. Composite film materials meet the sterility requirements in the following ways:

Material selection: Composite film materials usually select low-permeability, high-barrier materials, such as polyester (PET), polyethylene (PE), polypropylene (PP), etc. These materials can effectively block microorganisms such as bacteria and viruses in the air and prevent them from entering the packaging bag.
Sterilization treatment: Composite film materials will undergo strict sterilization treatment during the production process, such as ethylene oxide sterilization, steam sterilization, etc. These sterilization methods can effectively kill microorganisms on the surface of the material and ensure the sterility of the material itself.
Sealing performance: Composite film materials have good sealing performance, which can ensure that the opening of the packaging bag is tightly closed to prevent microorganisms from entering the packaging bag through the gap. At the same time, the heat sealing performance of the composite film material also ensures that the packaging bag can form a firm sealing structure during the heat sealing process.

2. Moisture resistance requirements
Medical equipment and instruments need to be kept dry during transportation and storage to avoid performance degradation or damage due to moisture. Composite film materials meet moisture resistance requirements in the following ways:
Blocking moisture: Composite film materials usually have a low water vapor permeability and can effectively block external moisture from entering the packaging bag. This ensures that medical equipment and instruments remain dry during transportation and storage.
Multi-layer composite structure: Composite film materials usually adopt multi-layer composite structures, such as PET/PE, PET/AL/PE, etc. The aluminum foil (AL) layer in these structures has excellent barrier properties, which can further enhance the moisture resistance of the composite film material.
Additive use: In the production process of composite film materials, some additives with moisture resistance, such as desiccant, moisture-proof agent, etc., can be added. These additives can absorb moisture in the packaging bag and maintain a dry environment in the packaging bag.

3. Tear resistance requirements
Medical equipment and instruments may be affected by various external forces during transportation and storage, such as extrusion, friction, etc. Therefore, the composite film material needs to have good tear resistance to ensure that the Medical Header Bags Packaging will not break or be damaged when subjected to external forces. The composite film material meets the tear resistance requirements in the following ways:
High-strength materials: Composite film materials usually choose high-strength and high-toughness materials, such as PET, PP, etc. These materials have excellent mechanical properties and can withstand large external forces without breaking easily.
Multi-layer composite reinforcement: The overall strength and toughness of the composite film material can be enhanced by the design of a multi-layer composite structure. For example, adding a layer of nylon to the PET/PE structure can significantly improve the tear resistance of the composite film material.
Special process treatment: In the production process of composite film materials, some special process treatments can be used, such as stretching, heat setting, etc. These process treatments can further improve the strength and toughness of the composite film material, so that it can better meet the tear resistance requirements.

IV. Other performance requirements
In addition to the requirements of sterility, moisture resistance and tear resistance, Medical Header Bags Packaging also puts forward other requirements for composite film materials, such as transparency, printing performance, recyclability, etc. Composite film materials meet these requirements in the following ways:
Transparency: Composite film materials usually have good transparency, which can clearly display the medical equipment and instruments in the packaging bag, making it convenient for medical staff to identify and use them.
Printing performance: The surface of composite film materials is flat and smooth, and it is easy to print various medical information, warning signs, etc. This helps medical staff quickly understand the use methods and precautions of medical equipment and instruments.
Recyclability: With the improvement of environmental awareness, Medical Header Bags Packaging has also put forward requirements for the recyclability of composite film materials. Some composite film materials have begun to be made of recyclable materials, such as biodegradable plastics. These materials can be naturally degraded or recycled after being discarded, reducing pollution to the environment.