|
PROPERTY
|
UNITS
|
VALUE
|
| Bulk Density |
lb/ft (gm/cc)
|
70.0 (1.1)
|
|
Thermal Conductivity "a" Direction (parallel to surface) "c" Direction (normal to surface) |
BTU-in/hr-ft F BTU-in/hr-ft F |
1,532 48 |
|
Thermal Expansion 70-1800 (bulk density 1.7-1.9gm/cc) |
10-6/ F |
2.8 - 4.4 |
|
Hardness (Shore Scleroscope) At 1.0 gm/cc At 1.3 gm/cc |
- - |
30 40 |
| Tensile Strength At 1.1 gm/cc and .015" foil |
PSI |
600 |
| Permeability Air |
cm/gm |
0.00002 |
| Emissivity At 932F |
- |
0.4 |
| Sublimination Temperature (does not melt) |
F |
6,600 |
| Compression |
40%
|
|
| Recovery |
14%
|
|
| Creep Relaxation |
4%
|
|
|