When.com Web Search

  1. Ads

    related to: screwfix dust masks disposable for sale
    • Sale Zone

      Special for you

      Daily must-haves

    • Temu Clearance

      Countless Choices For Low Prices

      Up To 90% Off For Everything

Search results

  1. Results From The WOW.Com Content Network
  2. Dust mask - Wikipedia

    en.wikipedia.org/wiki/Dust_mask

    A notable occupational use of dust masks is in farming, where dust masks are used to avoid the effects of farmer's lung, a disease caused by the inhalation of dusts from agricultural products. [1] The toxicity mainly comes from allergy to mold in the dust, which can lead to lung damage due to the immune response, [ 7 ] as opposed to an inherent ...

  3. Mechanical filter (respirator) - Wikipedia

    en.wikipedia.org/wiki/Mechanical_filter_(respirator)

    The protection provided by an FFP2 (or FFP3) mask includes the protection provided by a mask of the lower-numbered classes. A mask conforming to the standard must have its class written on it, along with the name of the standard and its year of publication, as well as any applicable option codes, e.g. “EN 149:2001 FFP1 NR D”.

  4. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    In Europe, regulation allows for dust masks under FFP1, where 20% inward leakage is allowed, with a minimum filtration efficiency of 80%. [130] South Korea allows 20% filter leakage under KF80. In the US, NIOSH noted that under standards predating the N95, 'Dust/Mist' rated respirators could not prevent the spread of TB. [131]

  5. Respirator assigned protection factors - Wikipedia

    en.wikipedia.org/wiki/Respirator_Assigned...

    The respiratory protective devices (RPD) can protect workers only if their protective properties are adequate to the conditions in the workplace.Therefore, specialists have developed criteria for the selection of proper, adequate respirators, including the Assigned Protection Factors (APF) - the decrease of the concentration of harmful substances in the inhaled air, which (is expected) to be ...

  6. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    The protection provided by an FFP2 (or FFP3) mask includes the protection provided by a mask of the lower-numbered classes. A mask conforming to the standard must have its class written on it, along with the name of the standard and its year of publication, as well as any applicable option codes, e.g. “EN 149:2001 FFP1 NR D”.

  7. 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.

  1. Ads

    related to: screwfix dust masks disposable for sale