Analysis of how Melt-blown wipes work
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- Time of issue:2022-04-02
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(Summary description)The main structure of the Melt-blown wipes for medical mask is a three-layer non-woven fabric, namely the SMS structure. The inner S layer is an ordinary non-woven fabric, mainly for the function of moisture absorption; The outer S layer is a non-woven fabric with waterproof treatment, which is mainly used to isolate the liquid sprayed by the patient and has the effect of preventing droplets; The middle M layer uses electret-treated Melt-blown wipes non-woven fabric, which can filter suspended bacteria and is the most important core layer.
Analysis of how Melt-blown wipes work
(Summary description)The main structure of the Melt-blown wipes for medical mask is a three-layer non-woven fabric, namely the SMS structure. The inner S layer is an ordinary non-woven fabric, mainly for the function of moisture absorption; The outer S layer is a non-woven fabric with waterproof treatment, which is mainly used to isolate the liquid sprayed by the patient and has the effect of preventing droplets; The middle M layer uses electret-treated Melt-blown wipes non-woven fabric, which can filter suspended bacteria and is the most important core layer.
- Categories:News center
- Author:
- Origin:
- Time of issue:2022-04-02
- Views:
Information
Frist, what is the structure of Melt-blown wipes?
The main structure of the Melt-blown wipes for medical mask is a three-layer non-woven fabric, namely the SMS structure. The inner S layer is an ordinary non-woven fabric, mainly for the function of moisture absorption; The outer S layer is a non-woven fabric with waterproof treatment, which is mainly used to isolate the liquid sprayed by the patient and has the effect of preventing droplets; The middle M layer uses electret-treated Melt-blown wipes non-woven fabric, which can filter suspended bacteria and is the most important core layer.
Melt-blown wipes, commonly known as the "heart" of masks. Its main raw material is polypropylene, a film made of many criss-cross fibers stacked in random directions. The fiber diameter ranges from 0.5 to 10 microns, and the fiber diameter in Melt-blown wipes is about one-third the size of a human hair.
After reading the previous paragraphs of this article, do you still have some doubts? Melt-blown wipes have such a large gap, how do they filter viruses in the environment?
The use of Melt-blown wipes takes the novel coronavirus as an example, although the size of the novel coronavirus is very small, around 100 nanometers (0.1 microns). However, the virus cannot exist independently. The main transmission routes are secretions and droplets from sneezing. The size of the droplets is about 5 microns. This is one of them. Second, Melt-blown wipes are essentially a fiber filter. , After the droplets containing the virus are close to the meltblown cloth, they will also be electrostatically adsorbed on the surface and cannot be penetrated.
Through the above introduction and analysis of Melt-blown wipes, hope it helps you.
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