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*Tests have shown that with spot cleaning of 30 secs at max. steam level and direct contact to the cleaning surface with the Kärcher steam cleaner 99.999% of enveloped viruses such as coronavirus or influenza (excluding the Hepatitis-B virus) can be removed on common smooth household hard surfaces (test-germ: Modified-Vaccinia-Ankara-Virus).
**When thoroughly cleaning with the Kärcher steam cleaner 99,99% of all common household bacteria will be killed on common smooth household hard surfaces, provided the cleaning speed of 30 cm/s at max. steam level and direct contact to the cleaning surface (test-germ: Enterococcus hirae).
Steam Cleaners: Kills up to 99.999% of coronavirus.* And bacteria.**
Kärcher arranged to have the effectiveness of its steam cleaners in fighting viruses tested in an independent laboratory. The result: if used properly, the machines remove up to 99.999% of enveloped viruses*, such as the coronavirus or influenza, and 99.99% of common household bacteria** from hard surfaces. As at the present time disinfectants are to be reserved primarily for outpatient and inpatient care, steam cleaners can make a valuable contribution to general hygiene – both in private households and in commercial and industrial use.
Enveloped viruses such as the coronavirus SARS-CoV-2 can be neutralised with high temperatures. As viruses are not germs or living organisms, experts also talk about virus inactivation. In the laboratory a certified test virus (Modified-Vaccinia-Ankara-Virus), which is representative for enveloped viruses, was distributed on a hard surface. This area was then cleaned with the hand nozzle of a steam cleaner and the appropriate microfibre pad.