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Insulation R Values: nbs fibrous glass
1572 to 1581
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nbs fibrous glass | 1572 | 12/1964 | 22.2 | 0.9492 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2515 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.33 | 0.573471 | 0.100994 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1573 | 1/5/1965 | 22.34 | 0.9458 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2495 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.49 | 0.578068 | 0.101804 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1574 | 1/6/1965 | 24.2 | 0.9521 | 7.95 | Lot 1961 | Board | 0.2232 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.95 | 0.646182 | 0.113799 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1575 | 1/1965 | 23.97 | 0.946 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2275 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.74 | 0.633969 | 0.111648 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1576 | 1/1965 | 23.98 | 0.946 | — | Lot 1959, 2 samples of ½ in. stacked (1,2,3,4), 1 in. | Board | 0.2277 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.78 | 0.633412 | 0.11155 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1577 | 1/1965 | 24.18 | 0.4775 | — | Lot 1959, ½ in. | Board | 0.2233 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.95 | 0.645893 | 0.113748 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1578 | 1/28/1965 | 16.89 | 0.4677 | 9.13 | Lot 1959, ½ in. | Board | 0.2256 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 68.3 | 0.639308 | 0.112589 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1579 | 1/29/1965 | 16.23 | 0.4681 | 9.13 | Lot 1959, ½ in. | Board | 0.2496 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 124.96 | 0.577836 | 0.101763 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1580 | 2/3/1965 | 23.9 | 0.956 | 9.05 | Lot 1961, ACIL ASHRAE Round Robin check | Board | 0.2496 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.49 | 0.577836 | 0.101763 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1581 | 2/4/1965 | 23.98 | 0.9556 | 9.053 | Lot 1961, ACIL ASHRAE Round Robin check | Board | 0.2269 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.76 | 0.635645 | 0.111944 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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