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Insulation R Values: corkboard
518 to 528
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 | 518 | 12/11/1947 | 23.43 | 0.9659 | 7.007 | ASHVE sample #9 | Board | 0.2795 | Corkboard | 71.72 | 0.516021 | 0.090877 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 519 | 12/16/1947 | 22.23 | 0.9562 | 13.45 | ASHVE sample #1 | Board | 0.3238 | Corkboard | 118.45 | 0.445423 | 0.078443 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 520 | 12/17/1947 | 22.13 | 1.0025 | 7.163 | ASHVE sample #2 | Board | 0.2977 | Corkboard | 118.32 | 0.484474 | 0.085321 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 521 | 12/18/1947 | 21.97 | 1.001 | 6.945 | ASHVE sample #3 | Board | 0.2987 | Corkboard | 118.23 | 0.482852 | 0.085035 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 522 | 12/19/1947 | 22.32 | 0.9504 | 13.108 | ASHVE sample #4 | Board | 0.3284 | Corkboard | 118.55 | 0.439184 | 0.077345 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 523 | 1/9/1948 | 22.09 | 0.9854 | 7.42 | ASHVE sample #5 | Board | 0.3032 | Corkboard | 118.32 | 0.475686 | 0.083773 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 524 | 1/16/1948 | 22.17 | 0.9786 | 7.068 | ASHVE sample #6 | Board | 0.2974 | Corkboard | 118.46 | 0.484963 | 0.085407 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 525 | 2/19/1948 | 22.29 | 1.0053 | 7.097 | ASHVE sample #7 | Board | 0.2985 | Corkboard | 118.51 | 0.483176 | 0.085092 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 526 | 2/20/1948 | 22.41 | 0.9918 | 8.035 | ASHVE sample #8 | Board | 0.3048 | Corkboard | 118.66 | 0.473189 | 0.083333 | NIST SRD 81 API | ASTM C 177 |
| corkboard | 528 | 2/25/1948 | 22 | 0.9663 | 7.007 | ASHVE sample #9 | Board | 0.2982 | Corkboard | 118.26 | 0.483662 | 0.085178 | NIST SRD 81 API | ASTM C 177 |
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