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Insulation R Values: corkboard
538 to 547
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 | 538 | 3/10/1948 | 23.8 | 0.9898 | 7.349 | ASHVE sample #16 | Board | 0.2783 | Corkboard | 71.96 | 0.518246 | 0.091268 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 539 | 3/17/1948 | 23.64 | 0.998 | 7.464 | ASHVE sample #15 | Board | 0.2824 | Corkboard | 71.78 | 0.510722 | 0.089943 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 540 | 3/18/1948 | 23.64 | 0.9895 | 7.349 | ASHVE sample #16 | Board | 0.2777 | Corkboard | 71.8 | 0.519366 | 0.091466 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 541 | 3/24/1948 | 24.74 | 1.0009 | 7.163 | ASHVE sample #2 | Board | 0.2673 | Corkboard | 41.49 | 0.539573 | 0.095024 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 542 | 3/25/1948 | 24.37 | 0.9529 | 13.453 | ASHVE sample #1 | Board | 0.2965 | Corkboard | 41.09 | 0.486435 | 0.085666 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 543 | 3/26/1948 | 24.14 | 0.9982 | 6.945 | ASHVE sample #3 | Board | 0.2694 | Corkboard | 41.07 | 0.535367 | 0.094284 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 544 | 3/29/1948 | 24.02 | 0.9472 | 13.108 | ASHVE sample #4 | Board | 0.3011 | Corkboard | 40.73 | 0.479003 | 0.084357 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 545 | 3/30/1948 | 24.48 | 0.9825 | 7.42 | ASHVE sample #5 | Board | 0.272 | Corkboard | 41.23 | 0.53025 | 0.093382 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 546 | 4/2/1948 | 24.82 | 1.0044 | 7.097 | ASHVE sample #7 | Board | 0.2689 | Corkboard | 41.47 | 0.536363 | 0.094459 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 547 | 4/5/1948 | 24.86 | 0.9798 | 7.068 | ASHVE sample #6 | Board | 0.2662 | Corkboard | 41.49 | 0.541803 | 0.095417 | NIST SRD 81 API | ASTM C 177 |
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