Capillary flow porometry for woven, non-woven and geosynthetic media, including ASTM D6767.
Model: MPA-50 Macropore · Industry: Technical Textile
Technical fabric specifications promise barrier, breathability and filtration at the same time. All three are governed by the same pore structure, which is why a fabric that passes an air permeability test can still fail as a barrier. Measuring the distribution rather than a single permeability figure is what separates a fabric that meets its specification from one that happens to pass one test.
| Specification | Value |
|---|---|
| Test Range | 0.01 µm – 500 µm |
| Method | Capillary flow porometry |
| Samples | Up to 3 |
| Test Output | Full PSD report |
Chamber size determines the tested area, and chambers are built to your specimen. For geotextile work a larger chamber is usually specified because a small test area is not representative of an open fabric. Tell us the fabric and we will size it.
No. Air permeability gives one flow figure at one pressure drop. Porometry gives the distribution of pore sizes carrying that flow, which is what explains the permeability figure and predicts barrier behaviour. M19 builds a separate Air Permeability Analyzer where only the permeability figure is needed.
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