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Insulation R Values: mineral wool
249 to 404
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 | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mineral wool | 249 | 5/23/1941 | — | 1 | 7.7 | — | Blanket | 0.261 | Baldwin Hill Co. | Mineral Wool | 89.6 | 0.552597 | 0.097318 | NIST SRD 81 API | — |
| mineral wool | 264 | 12/19/1941 | 15.12 | 1.017 | 2.33 | Batt placed in wood frames | Blanket | 0.2967 | Baldwin Hill Co. | Mineral Wool | 86.43 | 0.486107 | 0.085608 | NIST SRD 81 API | BH-3D Felt |
| mineral wool | 294 | 4/20/1942 | 15.51 | 1.008 | 4.37 | Felted mineral wool | Blanket | 0.2554 | Baldwin Hill Co. | Mineral Wool | 89.11 | 0.564714 | 0.099452 | NIST SRD 81 API | BH |
| mineral wool | 302 | 8/13/1942 | 18.01 | 0.958 | 3.35 | Felted mineral wool | Blanket | 0.2737 | Baldwin Hill Co. | Mineral Wool | 99.73 | 0.526956 | 0.092802 | NIST SRD 81 API | BH |
| mineral wool | 346 | 10/9/1943 | 21.78 | 0.8683 | 24.34 | High-temperature insulation | Board | 0.3519 | Baldwin Hill Co. | Mineral Wool | 95.52 | 0.409855 | 0.07218 | NIST SRD 81 API | — |
| mineral wool | 368 | 5/16/1944 | 19.39 | 0.9784 | 22 | High-temperature insulation | Board | 0.3892 | Eagle-Picher Co. | Mineral Wool | 95.48 | 0.370575 | 0.065262 | NIST SRD 81 API | — |
| mineral wool | 396 | 12/16/1944 | 20.57 | 0.9846 | 5.15 | Specimens placed in wood frames, compressed slightly | Blanket | 0.2556 | Forty-Eight Insulations, Inc. | Mineral Wool | 81.26 | 0.564272 | 0.099374 | NIST SRD 81 API | — |
| mineral wool | 397 | 12/18/1944 | 20.79 | 0.9904 | 8.4 | Specimens placed in wood frames, compressed slightly | Blanket | 0.2508 | Forty-Eight Insulations, Inc. | Mineral Wool | 81.49 | 0.575071 | 0.101276 | NIST SRD 81 API | — |
| mineral wool | 403 | 12/23/1944 | 19.78 | 1.01 | 3.82 | Specimens placed in wood frames, compressed slightly | Blanket | 0.2648 | American Rock Wool Corp. | Mineral Wool | 78.19 | 0.544667 | 0.095921 | NIST SRD 81 API | — |
| mineral wool | 404 | 12/27/1944 | 20.28 | 1.0162 | 5.34 | Specimens placed in wood frames, compressed slightly | Blanket | 0.2547 | American Rock Wool Corp. | Mineral Wool | 78.64 | 0.566266 | 0.099725 | NIST SRD 81 API | — |
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