Description
Disposable SMS (Spunbonded + Meltblown + Spunbonded) non-woven fabric
The meltblown layer in the disposable SMS (Spunbonded + Meltblown + Spunbonded) non-woven fabric structure has good filtration performance, which can effectively block bacteria and particles from being waterproof and impermeable. The spunbonded layer can provide certain waterproof and impermeability to prevent liquid penetration. Compared with other materials, SMS has a lower cost.
In practice, disposable non-woven fabrics are fragile, not as strong as cotton fabrics, and have poor tear resistance. They are easily punctured by sharp instruments and lose their isolation function, causing pollution. At the same time, due to the light weight and poor drape of SMS non-woven fabrics, they cannot droop naturally when laying the operating table and are easy to shift.
The impermeability of disposable non-woven fabrics is better than that of cotton fabrics, and the number of dust particles generated when laying drapes is less than that of cotton fabrics. Literature shows that disposable surgical gowns and surgical drapes are one of the sources of urban garbage waste. SMS nonwoven fabric is a disposable consumable product, which will generate a large amount of medical waste, and the cost of medical waste treatment will increase accordingly; the large consumption of energy and raw materials is contrary to environmental benefits.
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