Disinfect and reuse FFP2 corona masks: Lauterbach also recommends the following procedure

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FFP2 masks are single-use products that should be thrown away after use. However, there is a way to use it multiple times.

  • A commercially available FFP2 mask * costs more than four euros in the pharmacy. This proud price raises the question for many: Do I actually have to throw it away after wearing it once, or is there a way to continue using it?
  • FFP masks should always be used as specified by the manufacturer. However, you can extend the service life of the particle-filtering half masks, as FFP2 and FFP3 masks are also called.
  • According to the German Society for Hospital Hygiene, the strictest and most qualitatively safest method for the sterilization of FFP masks should be used in hospitals: steam sterilization.  The re is extra equipment in the hospital but with the following tip you can also simply sterilize your FFP2 masks at home and use them again.

Normal everyday masks made of fabric can simply be washed in the washing machine and then used again and again. OP or FFP2 masks, on the other hand, are intended by the manufacturer as single-use products. Environmental reasons and also the question of costs prevent many people from disposing of the mask immediately after use. Scientists at the University of Illinois have now dealt with the question of how one could disinfect N95 respirators (same filter performance and material properties as FFP2 masks) at homewithout losing any of their effectiveness.

According to the researchers, a simple kitchen utensil can be used to sterilize the masks so well that they can be worn several times without hesitation. For their study, they put N95 mouth and nose covers in an electric stove. 50 minutes of dry heat in a rice cooker or multi-cooker was enough to decontaminate the N95 respirators from the inside and outside without the filter performance or fit having suffered. According to the study directors, the procedure makes it possible to safely reuse the respirators tested. However, the masks should not touch the heating element directly, as the portal sciencedaily informed. According to the study, this can be prevented by placing a small towel on the bottom of the stove.

FFP2 or N95 mask: Protection class designations for particle filtering half masks

FFP2 stands for “Filtering Face Piece” and meets the German standard DIN EN 149: 2009-08.
N95 Masks are approved according to the US standard 42 CFR Part 84 of the National Institute for Occupational Safety and Health.

Clean FFP2 masks: heat disinfects material – electric stoves are suitable

According to the researchers, for adequate sterilization of the masks it was necessary to place them in the stove at 100 degrees Celsius for at least 50 minutes in order to rid them of corona viruses. Very important: © www.de24.news The re must be no water in the stove, the masks become sterile in dry heat. This method is even more effective than sterilization using ultraviolet light. “© www.de24.news The  respirators retained their filtration capacity of more than 95 percent and even after 20 decontamination cycles in the electric cooker still sat properly on the wearer’s face,” sciencedaily quotes the study director. According to Web.de, several masks can be disinfected in one go by stacking them in the stove.

SPD politician and doctor Karl Lauterbach had already posted this on his Twitter channel last summer Mask disinfection option pointed out:

more on the subject: FFP2 masks: is the price shock coming now? Pay attention to this when buying online or in the pharmacy. *

* ADVERTISING * Exclusive product recommendation:

On the FFP2Hostlab masks get until January 31st 10 percent discount when buying 10, 20 or 50 pieces. © www.de24.news The  discount is automatically deducted at the checkout.

Order FFP2 masks from Hostlab now (Affiliate Link)

FFP2 masks do not lose performance after disinfection

A German study by the NMI Natural Science and Medical Institute at the University of Tübingen also showed: After several sterilization programs, the material structure of FFP2 and FFP3 protective masks does not change significantly. An examination of the fleece used in the masks under the scanning electron microscope showed that FFP masks can be reused after disinfection without losing filter performance, as reported by the medical specialist portal dzw. (jg) *Merkur.de and wa.de are part of the nationwide Ippen-Digital editors network.

More sources: https://www.bfarm.de/SharedDocs/Risikoinformationen/Medizinprodukte/DE/schutzmasken.html; https://www.krankenhaushygiene.de/pdfdata/presse/2020_05_01_spiegel_interview_walger.pdf; https://www.aerzteblatt.de/nachrichten/112501/Sterilisierung-von-FFP2-Schutzmasken-erfordert-hohe-Temperaturen

Not only delicious rice!

With the WMF rice cooker with steamer (commercial link) you can cook all common types of rice, quinoa, lentils, chickpeas and vegetables so gently that they contain important nutrients. You can also misuse the kitchen helper – and use it to disinfect FFP2 masks.

Survey on the subject of corona vaccination

Continue reading: Effective corona protection: should we all wear two masks on top of each other?

Everyday masks and the question of materials

Everyday masks and the question of materials

List of rubric lists: © Sven Hoppe / dpa





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Disinfect reuse FFP2 corona masks Lauterbach recommends procedure

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