Requirements for medical packaging performance

　　1. Provide microbial barrier: The microbial barrier function can ensure that microorganisms cannot penetrate the sterilized package and contaminate the articles in the package. In addition, microorganisms can spread through water and other liquids. Therefore, the liquid resistance of packaging materials is also crucial for microbial invasion.

　　2. Allow the penetration and precipitation of sterilization factors: The packaging materials must be able to allow air penetration and the penetration and precipitation of sterilization media. Tight grids or woven patterns may cause difficulties in penetration or precipitation, which may cause potential wet bag problems.

　　3. Tear resistance and puncture resistance: once the package is torn or perforated, it may contaminate the contents of the sterilization package and bring potential danger to the sterile area. In addition, the torn or perforated package must be re treated, which not only delays the time for the department to use the sterilization products, but also wastes time, manpower, material resources and financial resources.

　　4. Flexibility: Sterilized articles should be kept sterile from the time they come out of the sterilizer to the time they are used, which requires non-woven fabrics and other packaging materials to be able to hang without rebounding, so as to avoid secondary pollution of articles.

　　5. No floc falling/low floc falling: the length and width of cotton flocs are much larger than bacteria and viruses, so cotton flocs or fibers will become carriers of microorganisms. In addition, they may absorb cleaning agents and disinfectants, so their existence may lead to serious complications, such as thrombosis, amplification of inflammatory reaction, poor wound healing, granuloma, etc.

　　6. Abrasion resistance: Once the fabric is worn, it may lead to the generation of flocs, the weakening of filter barrier and the weakening of liquid resistance, and the stronger the abrasion resistance of the packaging material, the more durable it will be.

　　7. Flame retardancy: There are fire sources and oxidants in the operating room, so the fuel source has become an important factor in fire control. It is important to use materials with strong flame retardancy for medical sterilization protection

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