physical measurements

3M_N95/3MN95.md

 # 3M N95 Mask Characteristics
 
+manufacturer page: [3M N95 8000](http://multimedia.3m.com/mws/media/218306O/particle-respirator-8000-n95.pdf)
+
 ![](./3MN95_mask.jpg)
 
-manufacturer page: [3M N95 8000](http://multimedia.3m.com/mws/media/218306O/particle-respirator-8000-n95.pdf)
+#### thickness (mm pm 0.005) measurements:
+- overall: 0.721
+
+#### weight (10(pm 0.5) x10(pm 0.5) mm square material) measured in g pm 0.0005
+overall: 0.0223
 
+single layer mask, but looking at side wall in SEM looks like it's 3 layer as well (the layers just don't fall apart upon cutting)