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Insulation R Values: nbs fibrous glass
1632 to 1658
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 | 1632 | 1/11/1966 | 22.93 | 0.9562 | 8.95 | Lot 1961 | Board | 0.25 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.1 | 0.576912 | 0.1016 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1633 | 1/12/1966 | 24.19 | 0.9557 | 8.95 | Lot 1961 | Board | 0.2274 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.89 | 0.634248 | 0.111697 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1634 | 1/13/1966 | 25.28 | 0.9558 | 8.95 | Lot 1961 | Board | 0.2096 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 30.64 | 0.68811 | 0.121183 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1636 | 1/25/1966 | 22.55 | 0.9604 | 8.801 | Lot 1961 | Board | 0.224 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 70.23 | 0.643875 | 0.113393 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1638 | 2/18/1966 | 23.07 | 0.966 | — | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2477 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.68 | 0.582268 | 0.102543 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1639 | 2/21/1966 | 24.13 | 0.9656 | — | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2259 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.08 | 0.638459 | 0.112439 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1640 | 2/23/1966 | 25.55 | 0.9648 | — | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2036 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 19.76 | 0.708389 | 0.124754 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | — |
| nbs fibrous glass | 1656 | 6/7/1966 | 24.42 | 0.9474 | 8.406 | Lot 1961 | Board | 0.2275 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.98 | 0.633969 | 0.111648 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1657 | 6/8/1966 | 23.29 | 0.9585 | 8.96 | Lot 1961 | Board | 0.2553 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.2 | 0.564935 | 0.099491 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
| nbs fibrous glass | 1658 | 6/9/1966 | 24.12 | 0.9585 | 8.987 | Lot 1961 | Board | 0.2305 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.76 | 0.625718 | 0.110195 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series | 1 |
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