|
Property |
Units |
Value |
|
Nominal density (ISO 845) |
Kg/m³ (lb/ft³) |
60-100 (3.72–6.2) |
|
Compressive strength (ISO 844)
Parallel to rise
Perpendicular to rise |
KPa (lb/in²) |
380 (55)
300 (44) |
|
Tensile strength (ASTM D 7222)
Perpendicular to rise |
KPa (lb/in²) |
500 (73) |
|
Shear strength (ASTM C 273) |
KPa (lb/in²) |
300 (44) |
|
Closed cell content (ASTM D 2856) |
% |
95 |
|
Moisture vapour transmission (ASTM E96) |
mng/sPa (perm-in) |
8 (1.6) |
|
Water absorption (ASTM D 2842) |
%W/V |
2 |
|
Thermal conductivity at 23oC (ASTM C 518)
Unaged
Aged |
W/mK |
0.0200
0.024-0.027 |
|
Dimensional Stability (ASTM D 1622)
-200oC for 24 hours
+110oC for 24 hours
+70oC, 100% RH for 24 hrs |
% of linear change |
Negligible
1.0
2.0 |
|
Upper Temperature Limit |
oC (oF) |
110 (212) |
|
Linear co-efficient of expansion |
10-6 / oC
10-6 / oF |
40 - 80
22 - 44 |
