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Insulation R Values: nbs fibrous glass
1521 to 1569
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 | 1521 | 3/27/1964 | 22.56 | 0.9542 | — | Lot (?), internal check standard (20) | Board | 0.2512 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.59 | 0.574156 | 0.101115 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1522 | 3/31/1964 | 17.49 | 0.4796 | 9.58 | Lot 1959, ½ in. | Board | 0.2532 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 124.72 | 0.56962 | 0.100316 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1523 | 4/1/1964 | 24.15 | 0.9515 | 8.71 | Lot 1961 | Board | 0.2258 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.03 | 0.638742 | 0.112489 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1527 | 5/26/1964 | 24.13 | 0.9423 | 9.5 | Lot 1961 | Board | 0.2308 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.03 | 0.624904 | 0.110052 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1537 | 6/29/1964 | 23.94 | 0.4672 | 10.17 | Lot 1959, ½ in. | Board | 0.2337 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.76 | 0.61715 | 0.108686 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1542 | 7/23/1964 | 22.39 | 0.9422 | 9.841 | Lot (?) | Board | 0.2556 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.79 | 0.564272 | 0.099374 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1543 | 7/24/1964 | 24.09 | 0.945 | 9.814 | Lot (?) | Board | 0.2333 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.5 | 0.618208 | 0.108873 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1566 | 10/2/1964 | 24.18 | 0.947 | 9.356 | Lot 1961 | Board | 0.2289 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.89 | 0.630091 | 0.110965 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1568 | 11/1964 | 24.5 | 0.9519 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2279 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.22 | 0.632856 | 0.111452 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1569 | 12/15/1964 | 22.62 | 0.9492 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2504 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.87 | 0.57599 | 0.101438 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
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