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From [Institution name]
| Property |
Unit |
Requirements |
Results |
|---|---|---|---|
| Sheet width |
- |
Tolerance: –6 mm of specified width |
Pass |
| Tensile strength |
N/mm |
3.5 |
4.9 |
| Water vapour permeance (ng/(Pa·s·m2)) – original samples |
ng/(Pa·s·m2) |
≥ 170 |
3 360 |
| Water ponding – original samples |
- |
No leakage |
PassFootnote (1) |
| Tensile strength after UV exposure (% retention of original) |
% retention of original |
≥ 90 |
90 |
| Tensile strength after UV and heat aging (% retention of original) |
% retention of original |
≥ 85 |
85 |
| Water vapour permeance of UV- and heat-aged samples (ng/(Pa·s·m2)) |
ng/(Pa·s·m2) |
≥ 170 |
4 450 |
| Water ponding of UV- and heat-aged samples |
- |
No leakage |
PassFootnote (1) |