ASTM F2299/F2299M

Standard Test Method for Determining the Initial Efficiency of Materials Used in Medical Face Masks to Penetration by Particulates Using Latex Spheres

Standard · ASTM
ASTM F2299/F2299M

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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 pa

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