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Insulation R Values: nbs fibrous glass
1450 to 1460
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 | 1450 | 8/16/1963 | 24.26 | 0.4779 | 9.64 | Lot 1959, ½ in. | Board | 0.213 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 29.59 | 0.677126 | 0.119249 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1451 | 8/30/1963 | 24.13 | 0.4699 | 10.63 | Lot 1959, ½ in. | Board | 0.2373 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.96 | 0.607787 | 0.107038 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1452 | 9/13/1963 | 18.53 | 0.9573 | — | Lot (?), internal check standard (20) | Board | 0.2069 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 24.08 | 0.69709 | 0.122765 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1453 | 9/16/1963 | 24.03 | 0.4696 | 11.22 | Lot 1959, ½ in. | Board | 0.2398 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.87 | 0.601451 | 0.105922 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1454 | 9/17/1963 | 18.34 | 0.9531 | 9.68 | Lot 1961 | Board | 0.2097 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 23.93 | 0.687782 | 0.121125 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1456 | 10/16/1963 | 22.79 | 0.4821 | 10.69 | Lot 1959, ½ in. | Board | 0.2609 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.47 | 0.552809 | 0.097355 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1457 | 10/17/1963 | 24.17 | 0.4833 | 10.66 | Lot 1959, ½ in. | Board | 0.2357 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75 | 0.611913 | 0.107764 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1458 | 10/18/1963 | 24.1 | 0.4828 | 10.67 | Lot 1959, ½ in. | Board | 0.2179 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 29.2 | 0.661899 | 0.116567 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1459 | 10/24/1963 | 22.28 | 0.9636 | 7.67 | Lot 1961 | Board | 0.2486 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.02 | 0.58016 | 0.102172 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1460 | 10/25/1963 | 24.41 | 0.9643 | 7.67 | Lot 1961 | Board | 0.2244 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.22 | 0.642727 | 0.113191 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
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