When.com Web Search

  1. Ads

    related to: 3m 8000 mask

Search results

  1. Results From The WOW.Com Content Network
  2. High altitude breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/High_altitude_breathing...

    The death zone altitude is 8,000 metres (26,000 ft) or above. ... The TopOut mask was introduced in 2004, based on the 3M R6311 respirator facepiece. [31] [43]

  3. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    Elastomeric masks must be individually fit-tested and inspected for full efficacy. [2] They may be somewhat easier to fit than filtering facepiece respirators. Older mask designs were designed only to fit young adult men of average weight and a narrow range of ethnicities; newer ones use updated anthropometry and fit more people. [5]

  4. 3M - Wikipedia

    en.wikipedia.org/wiki/3M

    Mask production at the site increased during the 2009 swine flu pandemic, 2002–2004 SARS outbreak, 2018 California wildfires, 2019–20 Australian bushfire season, and COVID-19 pandemic. [133] 3M's Springfield, Missouri plant opened in 1967 and makes industrial adhesives and tapes for aerospace manufacturers.

  5. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.

  6. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  7. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    A surgical mask may not block all particles, due to the lack of fit between the surface of the face mask and the face. [45] The filtration efficiency of a surgical mask ranges between 10% and 90% for any given manufacturer, when measured using tests required for NIOSH certification.

  1. Ad

    related to: 3m 8000 mask