gsgs
Registered User
see e.g. here
http://www.hvbg.de/d/bia/pub/grl/2006_003.pdf
(in German)
for an earlier test from Jan 2006
Bild 10 and 11 on page 9 show the differences between the tested masks.
pink:leckage in %
blue:amount of penetrating particles
white: breathing resistance
horizontal lines are the thresholds for ffp1,ffp2,ffp3 according to EU-norm
only one (N) N95 in the test
see also this thread:
http://www.newfluwiki2.com/showDiary.do?diaryId=406
http://www.hvbg.de/d/bia/pub/grl/2006_003.pdf
(in German)
for an earlier test from Jan 2006
Bild 10 and 11 on page 9 show the differences between the tested masks.
pink:leckage in %
blue:amount of penetrating particles
white: breathing resistance
horizontal lines are the thresholds for ffp1,ffp2,ffp3 according to EU-norm
only one (N) N95 in the test
see also this thread:
http://www.newfluwiki2.com/showDiary.do?diaryId=406