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N95 Respirator Mask Types: Basic Info
The N95 is the preferred series of particulate respirator masks that meet United States authorities standards. The face masks are tested to reduce exposure to airborne contaminates by NIOSH - the National Institiute for Occupational Safety and Health. NIOSH has nine total approval classes, N95, N99, N100, R95, R99, R100, P95, P99, P100 organized by oil compatibility and filter efficiency.
The letter signifies how the filter tests in environments uncovered to grease aerosols:
N95, N99, & N100. These filters aren't to be used with oil aerosols. These needs to be used in environments uncovered to particulates which don't include oil. In lots of cases, the n- respirators can be reused a number of times.
R95, R99, & R100. These filters are oil resistant. The r- respirators can be used in atmospheres containing particulates any strong or liquid hazard including oil-based mostly hazards. These are one-time use masks.
P95, P99, & P100. These filters are oil proof. These respirators can be used in any environment uncovered to hazardous particulates. The p- respirators are topic to time of use limitations.
The filter efficiency number refers back to the percentage of airborne particulates that were removed in testing: 95%, 99%, and a hundred%. If a mask is NIOSH approved then it will have a stamp of approval class printed on the respirator.
NIOSH approved masks additionally come in several sizes, and a well fitting mask is vitally important. When test-fitting an N95 mask or different particulate respirator mask, observe these simple steps:
1. Press the mask (respirator ) firmly in opposition to the face with the outside nosepiece on the bridge of your nose.
2. Stretch and position the top headband on the back of your head above your ears. Stretch the bottom headband over the head and position beneath your ears.
3. With each arms, mold the metal nosepiece to the form of your nose.
4. To test fit, cup each hands over the respirator and exhale vigorously. If air flows around your nostril, tighten the nosepiece: if air flows around the edges of the respirator, reposition the headbands to fit higher and test again till there is no such thing as a air leakage.
Earlier than choosing the right mask, it can be urged that you simply speak with skilled industrial safety personnel about an assessment of your particular environment.
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