How is the respirator filter performed?

How is the respirator filter performed?

A respirator filter that collects at least 95% aerosol has a rating of 95. Collect at least 99% of the respirators to get a “99” rating. Those who collected at least 99.97% (basically 100%) of the respirator received a "100" rating. 

The respirator filter has an oil rating of N, R or P. This grade is important in the industry because some industrial oils can remove static charge from the filter media, thereby reducing the filter efficiency performance of the respirator. If the respirator is not resistant to oil, it is “N”, if it is resistant to oil, it is “R”; if it is resistant to oil (oil), it is “P”. Therefore, there are nine types of particulate respirator filters:


N95, N-99 and N-100

R-95, R-99 and R-100

P-95, P-99 and P-100


Now Suzhou Sanical has got the certificates of NIOSH N95,N99,P95 and will get more certificates in the future.


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