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FFP1 masks

2020 Jul 04

FFP1 masks are those that meet the European (CE: EN149:2001) standards, which are divided into three levels: FFP1, FFP2 and FFP3.Different from the American standard, it USES 95L/min for detection flow and DOP oil for dust emission.

Testing instrument:

Detection of FFP1 masks, whether European or United States standards, was specified through a United States TTI-8130 Filter Testers.NaCl method was used in American standard for Class N, DOP method for Class R, and DOP method for European standard.

The NaCl method of TSI-8130 instrument: the instrument can automatically produce salt particles, the average diameter of particles is 0.2 m(aggregate average diameter is 0.26 m, arithmetic average diameter is 0.07 m) through the sample set at a certain flow rate, the instrument automatically print flow, resistance, transmittance.

DOP method used DOP oil to produce dust. The particle diameter of DOP oil was 0.33 m aggregate average particle diameter and 0.20 m count average diameter.