Posted by beckett2 on April 8, 2020, at 0:48:10
In reply to Re: UVC, posted by alexandra_k on April 7, 2020, at 22:10:34
You're right, I think, about the electrostatic charge. In that what cause a mask to be expired are the parts that create the seal and not the filter material itself (unless stored improperly).
Have you thought of going into some sort of research? You like to 'geek out' as we say here. Get very into investigating something :)
like a bird on a wire
poster:beckett2
thread:1109408
URL: http://www.dr-bob.org/babble/poli/20191212/msgs/1109466.html