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From [Institution name]
| Test | Unit | Requirement |
|---|---|---|
| Visual inspection | n/a | Pass Footnote (1) |
| Width tolerance | mm | −6 |
| Pliability | n/a | no cracking |
| Tensile strength | N/mm | ≥ 3.5 |
| Water vapour permeance | ng/(Pa·s·m 2) | ≥ 170; ≤ 1400 |
| Maximum water vapour permeance after accelerated aging | ng/(Pa·s·m 2) | 2 900 |