N95 Respirator Mask Types: Fundamental Information

The N95 is the most popular 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 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 oil aerosols:

N95, N99, & N100. These filters aren’t to be used with oil aerosols. These needs to be utilized in environments exposed to particulates which do not contain oil. In many cases, the n- respirators will 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 together with 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 topic to time of use limitations.

The filter efficiency number refers back 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 different 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 towards 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 fingers, mold the metal nosepiece to the form of your nose.

4. To test fit, cup each palms over the respirator and exhale vigorously. If air flows round your nostril, tighten the nosepiece: if air flows across the edges of the respirator, reposition the headbands to fit better and test again till there isn’t any air leakage.

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

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