| Physical Properties |
| Density, minimum lb/ft3 (kg/m3) |
| Thermal resistance of 1.00 in. (25.4 mm) |
| thickness, minimum °F-ft2h/Btu
(k-m2/W) |
| at mean temperature: |
| 40°F (4.4°C) |
| 75°F (23.9°C) |
| Compressive resistance at yield or 10% |
| deformation, whichever occurs first (with |
| Skins intact), minimum, psi (kPa) |
| Flexural strength, minimum, psi (kPa) |
| Water vapor permeance of 1.00 in. (25.4 mm) |
| thickness, max, perm (ng/Pa-s-m2) |
| Water absorption by total immersion, |
| maximum, volume % |
| Dimensional stability, (change in |
| dimensions), maximum, % |
| Oxygen index, minimum, volume % |
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| 0.9 (15) |
1.15 (18) |
1.35 (22) |
1.30 (21) |
1.8 (29) |
1.6 (29) |
1.8 (29) |
2.2 (35) |
3.0 (48) |
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| 4.0 (.70) |
4.2 (.74) |
4.4 (.77) |
5.4 (.95) |
4.6 (.81) |
5.4 (.95) |
5.4 (.95) |
5.4 (.95) |
5.4 (.95) |
| 3.6 (.63) |
3.8 (.67) |
4.0 (.70) |
5.0 (.88) |
4.2 (.74) |
5.0 (.88) |
5.0 (.88) |
5.0 (.88) |
5.0 (.88) |
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| 10.0 (69) |
13.0 (90) |
15.0 (104) |
15.0 (104) |
25.0 (173) |
25.0 (173) |
40.0 (276) |
60.0 (414) |
100.0 (690) |
| 25.0 (173) |
30.0 (208) |
40.0 (276) |
40.0 (276) |
50.0 (345) |
50.0 (345) |
60.0 (414) |
75.0 (517) |
100.0 (690) |
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| 5.0 (287) |
3.5 (201) |
3.5 (201) |
1.1 (.63) |
2.0 (115) |
1.1 (.63) |
1.1 (.63) |
1.1 (.63) |
1.1 (.63) |
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| 4.0 |
3.0 |
3.0 |
0.3 |
2.0 |
0.3 |
0.3 |
0.3 |
0.3 |
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| 2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
| 24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
24.0 |
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