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Insulation R Values: nbs fibrous glass
1501 to 1520
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 | uncertainty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nbs fibrous glass | 1501 | 1/21/1964 | 25.24 | 0.9683 | 8.31 | Lot 1961 | Board | 0.2172 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 53.66 | 0.664033 | 0.116943 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1511 | 3/3/1964 | 23.15 | 0.9545 | 9.49 | Lot 1961 | Board | 0.2551 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 131.26 | 0.565378 | 0.099569 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1512 | 3/4/1964 | 24.22 | 0.9531 | 9.51 | Lot 1961 | Board | 0.2314 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.07 | 0.623284 | 0.109767 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1514 | 3/9/1964 | 23.04 | 0.9653 | 9.3 | Lot 1961 | Board | 0.2554 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 131.09 | 0.564714 | 0.099452 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1515 | 3/10/1964 | 24.38 | 0.9647 | 9.3 | Lot 1961 | Board | 0.2305 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.12 | 0.625718 | 0.110195 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1516 | 3/11/1964 | 22.79 | 0.4845 | 8.79 | Lot 1959, ½ in. | Board | 0.2509 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.92 | 0.574842 | 0.101236 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1517 | 3/12/1964 | 24.27 | 0.484 | 8.81 | Lot 1959, ½ in. | Board | 0.2273 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.07 | 0.634527 | 0.111747 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1518 | 3/13/1964 | 24.07 | 0.4837 | 8.81 | Lot 1959, ½ in. | Board | 0.2101 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 29.82 | 0.686473 | 0.120895 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1519 | 3/18/1964 | 24.31 | 0.9458 | 9.05 | Lot 1961 | Board | 0.2269 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.01 | 0.635645 | 0.111944 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1520 | 3/26/1964 | 24.31 | 0.9535 | — | Lot (?), internal check standard (20) | Board | 0.2298 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.27 | 0.627624 | 0.110531 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
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