What is ISO/TS 21083-2-Air filtration media about?
ISO/TS 21083 discusses a test method to measure the efficiency of air filtration media against spherical nanomaterials. ISO/TS 21083-2 is the second part of the ISO/TS 21083 multi-series and discusses the size range from 3 nm to 30 nm.
ISO/TS 21083-2 specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm. The testing methods in ISO/TS 21083-2 are limited to spherical or nearly spherical particles to avoid uncertainties due to the particle shape.
Who is ISO/TS 21083-2-Air filtration media for?
ISO/TS 21083-2 on the efficiency of air filtration media against spherical nanomaterials is useful for:
- Air filters manufacturing
- Design engineers
- Quality control personnel
Why should you use ISO/TS 21083-2-Air filtration media?
With the increased focus on nanomaterials and nanoparticles, the filtration of airborne nanoparticles is also subject to growing attention. Aerosol filtration can be used in diverse applications, such as air pollution control, emission reduction, respiratory protection for humans, and processing of hazardous materials. The filtering efficiency can be determined by measuring the testing particle concentrations upstream and downstream of the filter. The particle concentration may be based on mass, surface area, or number. Among these, the number concentration is the most sensitive parameter for nanoparticles measurement.
ISO/TS 21083-2 provides the methods of determining the efficiencies of air filtration media against spherical nanomaterials, size range from 3 nm to 30 nm, used in most common air filtration products and it focuses on the filtration efficiency of airborne nanoparticles, especially for particle size down to single-digit nanometers.
Efficiency for nanoparticles is crucial in schemes to remove nanoparticles, and thus, in a wider context, improve the general quality of the environment, including the working environment.
