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Insulation R Values: nbs fibrous glass
2053 to 2067
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 | 2053 | 8/30/1979 | 24.45 | 0.9608 | 9.171 | Lot 1961, return for check | Board | 0.231 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.42 | 0.624363 | 0.109957 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2054 | 9/4/1979 | 24.57 | 0.9528 | 9.248 | Lot 1961, return for check | Board | 0.2231 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.42 | 0.646472 | 0.11385 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2055 | 9/6/1979 | 24.4 | 0.9563 | 9.214 | Lot 1961, return for check | Board | 0.2268 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.31 | 0.635925 | 0.111993 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2056 | 9/7/1979 | 24.3 | 0.9673 | 8.394 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2257 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.04 | 0.639025 | 0.112539 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2062 | 12/6/1979 | 22.71 | 0.9658 | 8.407 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2481 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.78 | 0.58133 | 0.102378 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2063 | 12/10/1979 | 24.04 | 0.9706 | 8.365 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2249 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.02 | 0.641298 | 0.112939 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2064 | 12/11/1979 | 25.99 | 0.9665 | 8.401 | Lot 1961, internal check standard (A,B), 1 in. | Board | 0.2031 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 20.12 | 0.710132 | 0.125062 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2065 | 12/12/1979 | 22.96 | 1.0312 | 8.028 | Lot (?), specimen M | Board | 0.2488 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.58 | 0.579694 | 0.10209 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2066 | 12/13/1979 | 24.37 | 1.032 | 8.022 | Lot (?), specimen M | Board | 0.2262 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.23 | 0.637612 | 0.11229 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2067 | 12/20/1979 | 22.23 | 1.032 | 8.022 | Lot (?), specimen M | Board | 0.1946 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 2.83 | 0.741151 | 0.130524 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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