Medical Mask Selection Criteria

When choosing anti-fog medical mask, you should look at the implementation standards of the masks, observe the packaging and body of the product, medical mask and see if there are clear approved implementation standards. Some manufacturers promote their compliance without the standard certification. Pay attention to These problems; when you buy,medical mask  you should pay attention to the description of the medical mask packaging to determine whether the material meets which standard; look at the brand of the medical mask, choose a regular manufacturer and a well-known brand, so that it will be guaranteed.

In addition, most medical masks are disposable. They cannot be cleaned and used again after use. If you find that the medical mask has expired, you should immediately replace it with a new one. medical mask air tightness detection method: cover the mask with both hands as much as possible and conduct positive and negative pressure tests. Positive pressure test: cover the medical mask with both hands and exhale vigorously. If the air overflows from the edge of the mask, it is improperly worn, and the headband and nose metal strip must be adjusted again.

Negative pressure test: cover your medical mask with both hands and exhale vigorously. The center of the mask will sink. If air enters from the edge of the medical mask, it will be worn improperly. The headband and the metal strip of the nose bridge must be adjusted again. It must be noted that the side with the metal strip should be inward.