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Insulation R Values: nbs fibrous glass
1269 to 1284
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 | test method | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nbs fibrous glass | 1269 | 4/17/1961 | 22.41 | 0.5636 | 7.59 | Lot 1959, ½ in. | Board | 0.2471 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.57 | 0.583682 | 0.102792 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1270 | 4/18/1961 | 22.78 | 0.5658 | 7.561 | Lot 1959, ½ in. | Board | 0.2228 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 72.91 | 0.647342 | 0.114004 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1277 | 5/18/1961 | 22.46 | 1.002 | 5.313 | Lot 1958 | Board | 0.2475 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.47 | 0.582739 | 0.102626 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1278 | 5/19/1961 | 23.95 | 1.0046 | 5.299 | Lot 1958 | Board | 0.2207 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.97 | 0.653502 | 0.115088 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1279 | 7/6/1961 | 24.56 | 0.5628 | 6.47 | Lot 1959, ½ in. | Board | 0.22 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.68 | 0.655581 | 0.115455 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1280 | 7/7/1961 | 25.11 | 0.5658 | 6.44 | Lot 1959, ½ in. | Board | 0.2021 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 31.15 | 0.713646 | 0.12568 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1281 | 7/10/1961 | 24.15 | 0.5772 | 6.51 | Lot 1959, ½ in. | Board | 0.2197 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.45 | 0.656477 | 0.115612 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1282 | 7/11/1961 | 25.04 | 0.5799 | 6.48 | Lot 1959, ½ in. | Board | 0.2018 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 30.97 | 0.714707 | 0.125867 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1283 | 7/12/1961 | 21.97 | 0.572 | 7.65 | Lot 1959, ½ in. | Board | 0.2466 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.12 | 0.584866 | 0.103001 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1284 | 7/13/1961 | 23.33 | 0.575 | 7.59 | Lot 1959, ½ in. | Board | 0.222 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 72.15 | 0.649675 | 0.114414 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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