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Insulation R Values: nbs fibrous glass
1430 to 1449
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 | 1430 | 3/22/1963 | 22.76 | 0.9444 | 9.385 | Lot 1961 | Board | 0.252 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.53 | 0.572333 | 0.100794 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1431 | 3/25/1963 | 24.04 | 0.9475 | 9.355 | Lot 1961 | Board | 0.2305 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.88 | 0.625718 | 0.110195 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1432 | 3/26/1963 | 25.16 | 0.9476 | 9.354 | Lot 1961 | Board | 0.213 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 31.19 | 0.677126 | 0.119249 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1434 | 5/6/1963 | 22.59 | 0.4691 | 9.264 | Lot 1959, ½ in. | Board | 0.2524 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.33 | 0.571426 | 0.100634 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1435 | 5/7/1963 | 23.9 | 0.4688 | 9.27 | Lot 1959, ½ in. | Board | 0.2284 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.8 | 0.631471 | 0.111208 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1436 | 5/24/1963 | 23.09 | 0.9614 | 9.306 | Lot 1961 | Board | 0.233 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.14 | 0.619004 | 0.109013 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1437 | 5/28/1963 | 22.66 | 0.4816 | 10.63 | Lot 1959, ½ in. | Board | 0.2606 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.37 | 0.553446 | 0.097467 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1438 | 5/29/1963 | 24.03 | 0.4818 | 10.63 | Lot 1959, ½ in. | Board | 0.2361 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.91 | 0.610876 | 0.107582 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1448 | 8/14/1963 | 22.5 | 0.4778 | 9.64 | Lot 1959, ½ in. | Board | 0.256 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.21 | 0.56339 | 0.099219 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1449 | 8/15/1963 | 24.26 | 0.4779 | 9.64 | Lot 1959, ½ in. | Board | 0.2314 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.05 | 0.623284 | 0.109767 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
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