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From [Institution name]
| Test |
Unit |
Requirement |
Result |
|---|---|---|---|
| Sheet width |
|
Tolerance: –6 mm of specified width |
Pass |
| Tensile strength |
N/mm |
≥ 3.5 |
7.7 |
| Tensile strength after UV exposure |
% |
≥ 90 |
95 |
| Tensile strength after UV and heat aging |
% retention of original |
≥ 85 |
91 |
| Water vapour permeance |
ng/(Pa·s·m2) |
≥ 170 |
476 |
| Water vapour permeance of UV and heat-aged sample |
ng/(Pa·s·m2) |
≥ 170 |
806 |
| Water ponding of original samples |
|
No leakage |
PassFootnote (1) |
| Water ponding of UV- and heat-aged samples |
|
No leakage |
PassFootnote (1) |