<menuitem id="7v3z9"></menuitem>

  • <track id="7v3z9"></track>

    <nobr id="7v3z9"><optgroup id="7v3z9"><thead id="7v3z9"></thead></optgroup></nobr>
  • <tbody id="7v3z9"><span id="7v3z9"><address id="7v3z9"></address></span></tbody>
      1. <track id="7v3z9"></track>
        <bdo id="7v3z9"><optgroup id="7v3z9"><dd id="7v3z9"></dd></optgroup></bdo><option id="7v3z9"><span id="7v3z9"><em id="7v3z9"></em></span></option>
        1. <tbody id="7v3z9"><span id="7v3z9"></span></tbody>

            What is the shelf life of a disposable mask?

            27
            May
            2020
            DESCRIPTION

            Disposable masks have an expiration date. The shelf life of a disposable mask is generally two years, it is recommended to use within the shelf life. One-time masks that exceed the expiration date are not recommended for use and should be disinfected as far as possible.

            In daily life, the commonly used mask is a disposable mask. Disposable mask is made of three layers of non-woven fabric, filter paper, carbon cloth containing lead and so on. It is mainly divided into one-time two-layer mask, one-time non-woven fabric mask, one-time three-layer mask and one-time activated carbon mask, which can be used in hospitals, beauty, pharmaceutical, factories, schools, public places.

            Disposable masks can prevent respiratory tract infection, bacteria, anti-virus and so on to some extent, especially in the period of the occurrence of new coronavirus. Disposable masks have become essential protective equipment for people.

            It should be noted that the disposable mask has shelf-life. And its shelf life is generally two years. Before the outbreak people rarely wear masks, so when buying disposable masks must pay attention to the production date.

            At the same time, also pay attention to disposable mask packaging on whether there is "medical surgical mask" the words of the label. Disposable masks not only have an expiration date, but also have an expiration date for use.

            Under normal circumstances if the use of outdoor, such as the subway, bus, supermarkets, shopping malls and other public places, disposable masks need 4-6 hours to change. But if it is in the new type of pneumonia virus epidemic area, the suggestion is to change it every two hours.


            HOT PRODUCTS
            more
            Disposable Face Mask
            Disposable Surgical Face Mask
            N95 Medical Protective Face Mask
            Disposable Surgical Face Mask for Children
            一区二区三区四区在线观看视频|欧美精品久久久久久久小说|精品无码久久久久久久久|国产一区无码在线观看
            <menuitem id="7v3z9"></menuitem>

          1. <track id="7v3z9"></track>

            <nobr id="7v3z9"><optgroup id="7v3z9"><thead id="7v3z9"></thead></optgroup></nobr>
          2. <tbody id="7v3z9"><span id="7v3z9"><address id="7v3z9"></address></span></tbody>
              1. <track id="7v3z9"></track>
                <bdo id="7v3z9"><optgroup id="7v3z9"><dd id="7v3z9"></dd></optgroup></bdo><option id="7v3z9"><span id="7v3z9"><em id="7v3z9"></em></span></option>
                1. <tbody id="7v3z9"><span id="7v3z9"></span></tbody>

                    河北安拓醫療器械有限公司