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Bacterial Filtration Efficiency of Different Masks
Open accessAbstract
Face coverings, such as surgical masks and respirators, have an important role in preventing bacterial and viral transmission, especially during a global pandemic like COVID-19. Therefore, to secure their availability, new manufacturers and the use of novel materials must be encouraged. However, masks and their materials must first be properly tested for safety and efficiency, as required by the relevant standard, valid in a specific region. All standards prescribe determination of the bacterial filtration efficiency (BFE) of masks. In this study, we report the establishment of a test method for the BFE of face masks in accordance with European standard EN 14683:2019, by which we tested 52 samples, each composed of 3 to 5 subsamples, of surgical and cloth masks, respirators, filters, and mask materials. Forty-seven out of the 52 samples reached a BFE above 75 %. Of these, 16 samples had a BFE of 75 % to 95 %, 3 had a BFE of 95 % to 98 %, while 28 reached a filtration efficiency above 98 %. Our findings show that all tested samples provided some level of protection, most of which met the requirements for the national or European market.
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“the filtration efficiency of the masks depends also on the characteristics of the materials, such as chemical structure, number of layers, pore size, fibre organization, thickness, and diameter, packing density etc. [29].”
From Bacteria Filtration Efficiency for Different Types of Protective Face Masks (2023) · cites this paper as [29]
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References 18 · Cited by 6
Metadata
- Authors
- Košir, T., Fric, K., Filipić, A., & Kogovšek, P.
- Affiliations
- National Institute of Biology (SI)
- Venue
- Strojniški vestnik – Journal of Mechanical Engineering
- Publisher
- Faculty of Mechanical Engineering
- Published
- 2022-04-20
- Volume
- 68
- Issue
- 4
- Pages
- 225-232
- ISSN
- 0039-2480 (ISSN-L)
- 2536-3948
- OpenAlex
- W4224216287
- Cited by
- 6
- References
- 18
- Citations by year
- 2025: 1 · 2024: 2 · 2023: 2 · 2022: 1
- FWCI
- 0.97
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Strojniški vestnik – Journal of Mechanical Engineering (publishedVersion, cc-by)
- DiRROS repository (University of Maribor) (publishedVersion, cc-by)
- Repository of the University of Ljubljana (University of Ljubljana) (submittedVersion, cc-by)
- Funders
- Javna Agencija za Raziskovalno Dejavnost RS
- Topics
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Infection Control and Ventilation
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Aerosol Filtration and Electrostatic Precipitation
- Physical Sciences › Materials Science › Polymers and Plastics › Textile materials and evaluations
- Keywords
- bacterial filtration efficiency, face masks, surgical masks, respirators, cloth masks, mask testing, mask materials, COVID-19 pandemic, filtration efficiency
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- Košir, T., Fric, K., Filipić, A., & Kogovšek, P. (2022). Bacterial Filtration Efficiency of Different Masks. Strojniški vestnik – Journal of Mechanical Engineering. https://doi.org/10.5545/sv-jme.2022.34
