N95 Respirator Mask Types: Basic Information

The N95 is the most popular series of particulate respirator masks that meet United States government standards. The face masks are tested to reduce publicity to airborne contaminates by NIOSH – the National Institiute for Occupational Safety and Health. NIOSH has 9 total approval courses, 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 usually are not to be used with oil aerosols. These must be utilized in environments uncovered to particulates which do not 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 stable or liquid hazard including oil-based hazards. These are one-time use masks.

P95, P99, & P100. These filters are oil proof. These respirators can be utilized in any atmosphere uncovered to hazardous particulates. The p- respirators are subject to time of use limitations.

The filter effectivity number refers to the percentage of airborne particulates that had been removed in testing: ninety five%, 99%, and 100%. If a mask is NIOSH approved then it will have a stamp of approval class printed on the respirator.

NIOSH approved masks also come in numerous sizes, and a well fitting mask is vitally important. When test-fitting an N95 mask or other particulate respirator mask, observe these straightforward 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 both arms, mold the metal nosepiece to the form of your nose.

4. To test fit, cup both 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 better and test once more until there is no such thing as a air leakage.

Earlier than selecting the best mask, it can be advised that you speak with skilled industrial safety personnel about an assessment of your particular environment.

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