What are the difference among R95, N95 and P95. Their filtration efficiency towards 0. 3 micron particles are more than 95%
According to NIOSH classifaction. Masks are separately into three series: N, R and P.
N: Not resistant to oil. This series of masks can only filter non-oily particles.
R: Resistant to oil/oil resistant. This series of masks owns a certain oil resistance which can filter both non-oily particles and oily particles.
P: Oil proof/ long-term oil resistant. Oil resistance of this series is stronger than R series masks. It can filter both non-oily particles and oily particles.
In the period of the spread of the new coronary virus, the n95 respirator is good in terms of the personal daily protection.