丁香五月天综合缴情网

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      1.  

        Anti-Virus Disposable Face Mask

        Original
        price: Negotiable
        minimum:
        Total supply:
        Delivery term: The date of payment from buyers deliver within days
        seat: Hunan
        Validity to: Long-term effective
        Last update: 2020-03-23 10:13
        Browse the number: 474
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        Product details

        Features of disposable surgical masks

        The core material of the film mask is a PTFE nano film, and the diameter of the film fiber is between 100 and 200 nanometers.

        The film mask made of this material has the following three characteristics:

        1. Higher blocking efficiency. The main reason is that the fiber diameter of the material used is smaller than that of traditional materials (the fiber diameter of non-woven materials used in traditional masks is more than 1000 nanometers), which can more effectively block PM2.5 in the air (aerodynamic equivalent diameter is 2500 nanometers or less Particulate matter), and effectively reduce the concentration of bacteria and viruses in the air;

        2. Longer life. The reason is that it uses physical principles to isolate air pollutants and is more durable. (The non-woven fabric used in traditional masks has a large fiber diameter and needs to rely on electrostatic adsorption of particulate matter. Static electricity is affected by temperature and humidity in the environment in a short time. Invalid, so it can only be used once);

        3. Breathe more easily and freely when worn. The wearing comfort of the mask is mainly determined by the breathability and moisture permeability of the mask. The film mask has a higher air permeability due to its material characteristics of a high uniform hole distribution rate; coupled with the moisture-proof and moisture-permeable characteristics of the film material, it can bring users a more comfortable breathing experience.

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        http://www.chinamedicalfacemask.com/

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