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Insulation R Values: hulls
307 to 310
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) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hulls | 307 | 11/5/1942 | 21.99 | 0.999 | 5.8 | Leoti sorghum | Loose | 0.4386 | — | Hulls | 90.15 | 0.328837 | 0.057912 | NIST SRD 81 API |
| hulls | 308 | 12/3/1942 | 23.84 | 0.995 | 8.98 | Peanut | Loose | 0.3628 | Planter Peanut Co. | Hulls | 90.1 | 0.397541 | 0.070011 | NIST SRD 81 API |
| hulls | 309 | 12/7/1942 | 12.29 | 0.995 | 8.98 | Peanut | Loose | 0.3581 | Planter Peanut Co. | Hulls | 79.66 | 0.402759 | 0.07093 | NIST SRD 81 API |
| hulls | 310 | 12/8/1942 | 12.92 | 1.1027 | 51.93 | Peanut hull board | Board | 0.9866 | Planter Peanut Co. | Hulls | 85.86 | 0.146187 | 0.025745 | NIST SRD 81 API |
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