How to choose a mask, which masks is good?
1. Does wearing a mask really work?
it works! However, wearing a mask and washing your hands frequently must be performed simultaneously.
2. Types and uses of masks
Recommendations: N95 (with or without breathing valve) and medical surgical masks. From the design, according to the wearer's own protection ability ranking (high to low): ordinary masks (standard unknown, such as cotton masks, activated carbon masks) <ordinary medical masks <medical surgical masks <medical protective masks = N95 = KN95 equivalent level <N99. Virus carriers should use N95 masks without a breathing valve.
3. How should the mask be used?
Wash your hands before wearing, and fit your face tightly.
4. What about used masks?
A: Not for sharing. If it is damaged and dirty, and it is difficult to breathe after wearing, you need to replace it with a new mask. Discard used bags and wash hands or disinfect immediately.
5. Is N95 disposable? Can I reuse it?
Answer: Not recommended, but if it is necessary, store it in a clean, ventilated container (such as a clean paper bag) if it is confirmed that there is no contamination; disinfect it with alcohol and let it stand for more than 2 hours. Minimize cross-contamination.
6. How effective is the PM2.5 mask? Can it be used to prevent virus infection?
Answer: The term "PM2.5 masks" is not strict. For specific analysis of different haze masks, please check the product specifications and product standards carefully.
7. Will the mask expire?
A: Most disposable N95 respirators have a shelf life and are related to storage conditions. It is generally a 2-year
8. Where can I buy N95 or medical surgical masks?
A: Be sure to choose a regular purchase channel, such as Amazon, ebay, alibaba, made-in-china and other channels are available for sale, but you must confirm the mask's production certificate and quality certificate with the supplier, and distinguish between medical masks and ordinary Masks. Medical masks are usually more expensive than ordinary masks, and it can effectively prevent the spread of droplets.
9. What to do without a mask?
You just have to wear a cloth better than without. As long as it is a piece of cloth, it can prevent droplets and dust more or less. There is no medical surgical mask or N95 mask, and ordinary masks can also be used.