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From [Institution name]
| Property |
Requirement |
Result |
|---|---|---|
| Sheet width |
Tolerance: ≥ −6 mm of specified width |
Pass |
| Tensile strength (N/mm) |
3.5 |
5.4 |
| Density, kg/m3 |
19.3 ≤ ρ ≤ 23.6 |
22.9 |
| Water vapour permeance (ng/Pa·s·m2) |
> 170 |
1 502 |
| Water ponding of original samples |
No leakage |
PassFootnote (1) |
| Tensile strength after UV exposure (% retention of original) |
> 90 |
93 |
| Tensile strength after UV and heat aging (% retention of original) |
> 85 |
94 |
| Water vapour permeance of UV- and heat-aged samples (ng/Pa·s·m2) |
> 170 |
1 537 |
| Water ponding of UV- and heat-aged samples |
No leakage |
PassFootnote (1) |
| Corrosion (steel, copper, aluminum) |
≤ Corrosion of control samples |
Pass |
| Fungi resistance |
≤ Growth of comparative samples |
Pass |
| Relaxation after unpacking - % after 30 min |
≥ 90 |
99 |
| Relaxation after unpacking - % after 48 h |
≥ 100 |
101 |
| Thermal resistance (m2·K/W) |
Average (> 95% design) |
1.02 (R-5.8)Footnote (2) |
| Thermal resistance (m2·K/W) |
Lowest single specimen |
1.01 (R-5.7) |
| Thermal resistance of UV- and heat-aged samples (m2·K/W) |
Average (> 95% design) |
1.01 (R-5.86)Footnote (2) |
Lowest single specimen |
1.01 (R-5.7) |
|
| Sorption - 30% relative humidity (RH) at 23°C |
≤ 15 |
1.5 |
| Sorption - 50% RH at 23°C |
≤ 15 |
2.0 |
| Sorption - 70% RH at 23°C |
≤ 15 |
2.4 |
| Sorption - 90% RH at 23°C |
≤ 15 |
3.0 |
| Sorption - 98% RH at 23°C |
≤ 15 |
5.2 |