# Kimberly Clark #47117
manufacturer site: [Kimberly Clark 47117](https://www.kcprofessional.com/en-us/products/scientific/respiratory-protection/47117)
- not recommended for blood or blodily fluid protection
Three layer mask (inside layer --> outside layer)
- the outer layers look like some sort of pressed pulp, not as fibrous and stringy as the N95 masks
- the middle layer looks more like the N95 mask outer layer, except with smaller fiber width
## physical measurements
#### thickness (mm pm 0.005) measurements:
- overall: 0.184
- inside layer: 0.072
- middle layer: 0.086
- outside layer: 0.069
#### weight (10(pm 0.5) x10(pm 0.5) mm square material) measured in g pm 0.0005
- overall: 0.0067
- inside layer: 0.0023
- middle layer: 0.0021
- outside layer: 0.0026
## imaging
### SEM
When imaging in the SEM without sputter coating the material you disappear if focus too closely (either blowing away or disintegrating from the electron beam - hopefully this isn't damaging the SEM??) the same way that the dust particles on the Gerson N95 did.
So all images have a 20 nm gold layer on top
#### inside layer
#### middle layer
this looks to be the layer doing the most filtration
#### outside layer
same as inside layer
progressively zooming in on the same spot:
### Optical
checking for burn marks or any deformation on the sample that was put in the SEM without sputter coating .. couldn't find anything