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Insulation R Values: corkboard
548 to 557
Insulation R-values and thermal conductivity data from NIST SRD 81 — covers fiberglass, foam, cellulose, mineral wool, and other building insulation materials
| material id | record id | date | delta t (F) | delta x (in) | density (lb/ft3) | description | form | k w mk (W/mK) | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| corkboard | 548 | 4/7/1948 | 24.58 | 0.9653 | 7.007 | ASHVE sample #9 | Board | 0.2678 | Corkboard | 41.4 | 0.538566 | 0.094847 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 549 | 4/8/1948 | 24.61 | 0.9909 | 8.035 | ASHVE sample #8 | Board | 0.2756 | Corkboard | 41.41 | 0.523323 | 0.092163 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 550 | 4/9/1948 | 24.8 | 0.9962 | 7.122 | ASHVE sample #10 | Board | 0.2676 | Corkboard | 41.32 | 0.538968 | 0.094918 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 551 | 4/12/1948 | 24.45 | 0.9915 | 6.77 | ASHVE sample #11 | Board | 0.2669 | Corkboard | 41.35 | 0.540382 | 0.095167 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 552 | 4/13/1948 | 24.66 | 0.9995 | 6.965 | ASHVE sample #12 | Board | 0.2671 | Corkboard | 41.32 | 0.539977 | 0.095095 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 553 | 4/15/1948 | 24.78 | 0.9937 | 7.63 | ASHVE sample #14 | Board | 0.2734 | Corkboard | 41.4 | 0.527534 | 0.092904 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 554 | 4/16/1948 | 24.55 | 0.9825 | 8.083 | ASHVE sample #13 | Board | 0.2762 | Corkboard | 41.19 | 0.522186 | 0.091962 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 555 | 4/19/1948 | 24.44 | 0.9937 | 7.63 | ASHVE sample #14 | Board | 0.274 | Corkboard | 41.15 | 0.526379 | 0.092701 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 556 | 4/20/1948 | 24.89 | 0.9964 | 7.464 | ASHVE sample #15 | Board | 0.2714 | Corkboard | 41.64 | 0.531422 | 0.093589 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 557 | 4/21/1948 | 24.35 | 0.9942 | 7.632 | ASHVE sample #14 | Board | 0.2747 | Corkboard | 41.12 | 0.525038 | 0.092465 | NIST SRD 81 API | ASTM C 177 |
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