VTT testing the performance of respiratory protection masks and surgical masks

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VTT carries out tests to analyse the performance of respiratory protection masks (EN 149) and surgical masks (EN 14683) and their materials used in the manufacturing process. 

Using selected measurements, we provide quality assurance data for the authorities, health care and importers as well as for the development of new products.

 VTT’s measurement process is designed for the quality assurance of products that have already been CE-marked and approved as well as for product development. VTT’s measurements can help verify whether the performance of a product or material is appropriate for the purpose of use.

Further information on the approvals required for products can be obtained from the competent market authorities

Product approval and certification:
Surgical masks (EN 14683: Type I, Type II, Type IIR)
Respiratory protection masks (EN 149: FFP1, FFP2, FFP3)

Information about product certification is available at the Ministry of Social Affairs and Health and the Finnish Medicines Agency.

VTT's filtration efficiency and breathing resistance measurement

VTT carries out tests to analyse the performance of respiratory protection masks (EN 149) and surgical masks (EN 14683) and the materials used in the manufacturing process. The tests focus on measuring filtration performance based on the SFS-EN ISO 29463-3:2018 standard (High-efficiency filters and filter media for removing particles in air. Part 3: Testing flat sheet filter media)

The tests are conducted using DEHS (di-ethyl-hexyl-sebacate) particles. The airflow through the mask/material must conform either to the EN 149 or EN 14683 standard, depending on the product. The EN 149 and EN 14683 standards are applied in the calculation of the results.

In deviation from these acceptance criteria, the test particles used in VTT’s measurements are DEHS particles. For practical purposes, the data provided by VTT’s measurements on filtration performance is comparable to that required by the standards and is more quickly available. According to VTT’s experts, microbial and inanimate particles behave similarly for the purposes of evaluating particle filtration efficiency.

The tests focus on measuring filtration performance and breathing resistance. If you would like VTT to test the performance of your PPE, please e-mail us at: suojavarustetestaus@vtt.fi.

  • Tell us whether the product in question is a surgical masks (EN 14683) or respiratory protection masks (EN 149) and how you intend to use the product.
  • Send us five samples of the product or material (5 x A4 size sheets of the material) to enable VTT to run parallel tests on each model. 

We will get back to you as soon as we can. PPE testing is a high priority at the moment, and tests are carried out on a first-come-first-served basis. We will send you a report as soon as we have the results.

Rapid deployment of domestic PPE manufacturing

The Finnish Ministry of Economic Affairs and Employment has completed the first round of tendering to ramp up domestic production of PPE and are choosing the manufacturers who will be involved in the process. For more information, please contact Program Director Jyrki Alkio at the Ministry of Economic Affairs and Employment.