ASTM F2299/F2299M-03(2017)
- Standard Test Method for Determining the Initial Efficiency of Materials Used in Medical Face Masks to Penetration by Particulat
- standard by ASTM International, 06/01/2017
- Category: ASTM
$48.00
$24.00
1.1 This test method establishes procedures for measuring the initial particle filtration efficiency of materials used in medical facemasks using monodispersed aerosols.
1.1.1 This test method utilizes light scattering particle counting in the size range of 0.1 to 5.0 μm and airflow test velocities of 0.5 to 25 cm/s.
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