facialmasks

  N95 mask, also known as an N95 respirator, is a protective face mask that meets the United States National Institute for Occupational Safety and Health (NIOSH) national standard for the classification of hazardous air contaminants. According to this code, these materials should be filtered at least once each year. This ventilation requirement has become an important part of building codes in many US cities. The purpose of the N95 Mask is to protect people from inhaling dangerous dust, fumes, vapors, and particulates. Inhaled substances may cause breathing problems, especially in those who are already vulnerable to such problems, such as people with allergies or asthma. Because of this, it is important that N95 masks provide excellent fit and sealing. It is practically impossible for any material, including plastic or paper, to keep its shape or provide excellent sealing when it is subjected to strong pressures while being used as respiratory protectors. Moreover, even a thin lay...