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From [Institution name]
| Property |
Requirement |
Result |
|---|---|---|
| Density |
Report value |
34.5 kg/m3 (fibreglass faced) |
Report value |
29.7 kg/m3 (metal faced) |
|
| Thermal resistance (min. per 25 mm) |
0.97 m2·°C/W |
0.99 (fibreglass faced) |
0.97 m2·°C/W |
1.14 (metal faced) |
|
| Water vapour permeance |
Report value |
3 (ng/(Pa·s·m2)) |
| Air permeability |
Report value |
No measurable airflow through specimen |
| Sorption |
Report value |
0.0264 kg-1 moisture content at 93% relative humidity (RH) |
| Water absorption |
< 3.5 (% by volume) |
0.49 (% by volume) |
| Water absorption coefficient |
Report value |
0.00045 kg/m2·s1/2 |
| Compressive strength |
110 kPa |
164.6 (fibreglass faced) |
144.2 (metal faced) |
| Property |
Requirement |
Result |
|||
|---|---|---|---|---|---|
|
|
Length (%) |
Width (%) |
Length (%) |
Width (%) |
|
| Dimensional stability, linear change |
at −29°C, ambient RH |
±2.0 |
±2.0 |
−0.02 |
−0.01 |
| at 80°C, ambient RH |
±2.0 |
±2.0 |
−0.06 |
−0.07 |
|
| at 70°C, 97% RH |
±2.0 |
±2.0 |
−0.05 |
−0.06 |
|