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ASTM F2299/F2299M-24

Standard Test Method for Determining the Initial Efficiency of Materials to Penetration by Particulates Using Latex Spheres

Standard Test Method for Determining the Initial Efficiency of Materials to Penetration by Particulates Using Latex Spheres F2299_F2299M-24 ASTM|F2299_F2299M-24|en-US Standard Test Method for Determining the Initial Efficiency of Materials to Penetration by Particulates Using Latex Spheres Standard new BOS Vol. 11.03 Committee F23
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Significance and Use

5.1 This test method measures the initial filtration efficiency of materials by sampling representative volumes of the upstream and downstream latex aerosol concentrations in a controlled airflow chamber.

5.2 This test method provides specific test techniques for both manufacturers and users to evaluate materials when exposed to aerosol particle sizes between 0.1 and 5.0 μm.

5.2.1 This test method establishes a basis of efficiency comparison between materials.

Scope

1.1 This test method establishes procedures for measuring the initial particle filtration efficiency of materials 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.

1.2 The test procedure measures filtration efficiency by comparing the particle count in the feed stream (upstream) to that in the filtrate (downstream).

1.3 The values stated in SI units or in other units shall be regarded separately as standard. The values stated in each system must be used independently of the other, without combining values in any way.

1.4 The following precautionary caveat pertains only to the test methods portion, Section 10, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 11.03
Developed by Subcommittee: F23.40
Pages: 8
DOI: 10.1520/F2299_F2299M-24
ICS Code: 11.120.20