These masks are comply with USA NIOSH 42 CFR 84 requirement and intended to be used for protection against particulate aerosols free of oil; time use restrictions may apply. They are extremely durable and have a soft and comfortable inner surface with adjustable nosepiece and secured headband for a proper fit. There is a low breathing resistance for increased working comfort.
For use against Particulate Aerosols free of oil
Inhalation Resistance Delta P (85LPM + 1LPM): <20mmH2O
Exhalation Resistance Delta P (85LPM + 1LPM): <25mmH2O
Filtration Efficiency: >95% for airbone particles of 0.3micron
Headband Pull Strength: 20N/10s
Exhalation Valve Leakage Test: < 30ml/min
Exhalation Valve Weld Strength: 10N/10s