Content page
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 |