Free Republic
Browse
·
Search
General/Chat
Topics
·
Post Article
To:
PA Engineer; bgill
Also, IIRC, Stanford's study showed the masks lost 4% effectiveness at each successive heating (which *compounds*.
84.9% after 4 times; that's as low as I'd go...
867
posted on
03/27/2020 7:17:53 AM PDT
by
grey_whiskers
(The opinions are solely those of the author and are subject to change with out notice.)
[
Post Reply
|
Private Reply
|
To 749
|
View Replies
]
To:
grey_whiskers
What level of heating?
992
posted on
03/27/2020 1:11:54 PM PDT
by
Paul R.
(The Lib / Socialist goal: Total control of nothing left wort h controlling.)
[
Post Reply
|
Private Reply
|
To 867
|
View Replies
]
Free Republic
Browse
·
Search
General/Chat
Topics
·
Post Article
FreeRepublic
, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson