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Well-maintained elastomeric masks can last for years in industrial use. [5] Users may carry their respirator in a shoulderbag for accessibility. [5] [54] In construction, elastomeric masks are rarer than disposable mechanical filters; the disposable masks are preferentially issued because supervisors prefer to avoid cleaning and storage. [5]:
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.
In all cases, if they employer selects a respirator with tight-fitting facepiece (full face mask, elastomeric half-mask or quarter-mask, or filtering facepiece respirator), all employee must be fit tested (to prevent the leakage of unfiltered polluted air through gaps between their faces and the tight-fitting masks, which may not match to their ...
Elastomeric respirators consist of a reusable mask that seals to the face, with exchangeable filters. [ 67 ] [ 68 ] Elastomeric respirators can be used with chemical cartridge filters that remove gases, mechanical filters that retain particulate matter, or both. [ 69 ]
Filtering half mask, reusable elastomeric respirator with pink replaceable pancake filters and grey exhalation valve Full-face elastomeric respirators seal better. [1] Mechanical filters, a part of particulate respirators, are a class of filter for air-purifying respirators that mechanically stops particulates from reaching the wearer's nose ...
Elastomeric half facepiece respirators and elastomeric full facepiece mask, used in workplaces with concentrations of contaminants up to 10 PEL: Elastomeric full facepiece mask, used in workplaces with concentrations of contaminants up to 50 PEL Qualititative fit test methods: Isoamyl acetate: Unlikely to pass [a] Yes: No: Allegro-0202 et al ...