c_change™ – Test Results:
Water column: 20,000 mm
MVTR value: 18,000 g/m²/24h
RET value:* < 2
These values refer exclusively to non-laminated membranes. The corresponding values for the individual consumer products (two-layer or three-layer laminates) can be made available on request giving details of article number.
* RET:
0–6 very good water vapour permeability
6–13 good water vapour permeability
13–20 satisfactory water vapour permeability
20+ unsatisfactory water vapour permeability
What means "water column"?
