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From [Institution name]
| Property | Unit | Requirement | Result | ||
|---|---|---|---|---|---|
| Tensile strength | original sample | N/mm | ≥ 3.5 | 26.4 | |
| Water vapour permeance | ng/(Pa·s·m2) | 170 ≤ WVP ≤ 1 400 | 429 | ||
| Water ponding | − | No leakage | No water leakage | ||
| Tensile strength after UV exposure | % | ≥ 90% of original | 87 Footnote (1) | ||
| Tensile strength after heat aging of UV exposed specimens | % | ≥ 85% of original | 85 | ||
| Water vapour permeance | of UV exposed and heat-aged specimens | ng/(Pa·s·m2) | 170 ≤ WVP ≤ 2 900 | 447 | |
| Water ponding | − | No leakage | No water leakage | ||