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Lab Details Conditions to Decontaminate Disposable Masks

Photo: Faye Yap/Rice University

Here’s the recipe to decontaminate a disposable facemask: Heat it at 160 degrees Fahrenheit in an oven for five minutes. You can use your own oven.

The science now bears that out, according to engineers at Rice University who, through extensive experimentation and modeling, determined that proper heating will eliminate the virus that causes COVID-19 from a standard disposable surgical mask without degrading the mask itself. 

The work by mechanical engineer Daniel Preston of Rice’s George R. Brown School of Engineering, Rice graduate student Faye Yap and collaborators at the University ...