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N95 Respirator Mask Types: Basic Information

 

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 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 oil aerosols:

 

 

N95, N99, & N100. These filters usually are not to be used with oil aerosols. These needs to be utilized in environments uncovered to particulates which do not comprise oil. In lots of cases, the n- respirators will be reused a number of times.

 

 

R95, R99, & R100. These filters are oil resistant. The r- respirators can be utilized in atmospheres containing particulates any strong or liquid hazard together with oil-primarily based hazards. These are one-time use masks.

 

 

P95, P99, & P100. These filters are oil proof. These respirators can be used in any atmosphere exposed 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 were 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 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 against 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 under your ears.

 

 

3. With each fingers, mold the metal nosepiece to the form of your nose.

 

 

4. To test fit, cup both arms over the respirator and exhale vigorously. If air flows round your nose, tighten the nosepiece: if air flows across the edges of the respirator, reposition the headbands to fit better and test once more until there is no air leakage.

 

 

Earlier than selecting the best mask, it is also recommended that you speak with experienced industrial safety personnel about an evaluation of your particular environment.

 

 

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