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Insulation R Values: nbs fibrous glass
1673 to 1692
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 | 1673 | 8/2/1966 | 24.84 | 0.4747 | 9.774 | Lot 1959, ½ in. | Board | 0.2342 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.81 | 0.615832 | 0.108454 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1678 | 9/28/1966 | 23.1 | 0.4669 | 10.24 | Lot 1959, ½ in. | Board | 0.2581 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.01 | 0.558806 | 0.098411 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1679 | 9/29/1966 | 24.39 | 0.4678 | 10.22 | Lot 1959, ½ in. | Board | 0.2332 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.91 | 0.618473 | 0.108919 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1681 | 10/27/1966 | 24.48 | 0.4714 | 10.23 | Lot 1959, ½ in. | Board | 0.2326 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.36 | 0.620068 | 0.1092 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1682 | 11/2/1966 | 23.11 | 0.9688 | 8.381 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2481 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.92 | 0.58133 | 0.102378 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1683 | 11/22/1966 | 24.18 | 0.9673 | 8.394 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2259 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.76 | 0.638459 | 0.112439 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1684 | 11/23/1966 | 25.57 | 0.9669 | 8.397 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2042 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 19.66 | 0.706307 | 0.124388 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1690 | 1/11/1967 | 24.36 | 0.9652 | 8.619 | Lot 1961 | Board | 0.2272 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.22 | 0.634806 | 0.111796 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1691 | 1/12/1967 | 25.7 | 0.9653 | 8.618 | Lot 1961 | Board | 0.2084 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 30.32 | 0.692072 | 0.121881 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1692 | 1/13/1967 | 21.92 | 0.9648 | 8.623 | Lot 1961 | Board | 0.197 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | -0.15 | 0.732121 | 0.128934 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
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