PermeaDerm, Inc.

Product Performance

Fluid (Water) Transfer
Test by Manufacturing Solutions Center, Conover, NC.
Three samples of each material:
Product Result
Biobrane 19.412 gms flowed through in 40 – 40.3 sec
PermeaDerm CW with no stretch No flow, essentially zero porosity. With stretch from 3.1 cm to 4 cm – about 20 gm flowed through in 15 to 20 sec.
PermeaDerm B with no stretch No flow, essentially zero porosity. With stretch from 3.1 cm to 4 cm – flow complete in about 23 sec.

Water Vapor Transmission - ASTM Standard E96, 2000e1
Test by Manufacturing Solutions Center, Conover, NC.
Three samples of each material:
Product Result
Biobrane 1055 g/m2/24hr; SD 45.6
PermeaDerm CW 834.9 g/m2/24hr; SD 58.4
PermeaDerm B 870 g/m2/24hr; SD 101.4


Breaking Force and Elongation - ASTM D5035, 2011
Test by Manufacturing Solutions Center, Conover, NC.
Test performed in two directions:
Product Breaking Force Elongation
Biobrane Direction 1: 5,737.4 g; Direction 2: 2,104.3 g; Direction 1: 181%; Direction 2: 182%
PermeaDerm CW Direction 1: 1,178.4 g; Direction 2: 4,863.8 g; Direction 1: 126%; Direction 2: 252%
PermeaDerm B Direction 1: 3,221.8 g; Direction 2: 2,012.3 g; Direction 1: 243%; Direction 2: 120%


Conclusion: PermeaDerm possesses essentially zero porosity at relaxation and whatever porosity the clinician desires when stretched over the cleanly debrided wound.

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