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Insulation R Values: nbs fibrous glass
1090 to 1110
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 | 1090 | 3/11/1958 | 24.07 | 1.0044 | 4.538 | Lot 1958 | Board | 0.2198 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.3 | 0.656178 | 0.11556 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1091 | 3/12/1958 | 21.53 | 1.0028 | 4.545 | Lot 1958 | Board | 0.2457 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.63 | 0.587008 | 0.103378 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1092 | 3/13/1958 | 22.25 | 1.0039 | 4.55 | Lot 1958 | Board | 0.2438 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.29 | 0.591583 | 0.104184 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1093 | 3/14/1958 | 24.22 | 1.0071 | 4.56 | Lot 1958 | Board | 0.2189 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.36 | 0.658876 | 0.116035 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1104 | 5/5/1958 | 24.07 | 1.0026 | 5.328 | Lot 1958 | Board | 0.2208 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.55 | 0.653206 | 0.115036 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1105 | 5/6/1958 | 22.72 | 1.0013 | 5.335 | Lot 1958 | Board | 0.2477 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.8 | 0.582268 | 0.102543 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1106 | 5/7/1958 | 25.19 | 1.0045 | 5.318 | Lot 1958 | Board | 0.2078 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 44.03 | 0.694071 | 0.122233 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1108 | 6/30/1958 | 23.01 | 1.0108 | 6.134 | Lot 1958 | Board | 0.2474 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.08 | 0.582975 | 0.102668 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1109 | 7/1/1958 | 24.25 | 1.0127 | 6.123 | Lot 1958 | Board | 0.2219 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.63 | 0.649968 | 0.114466 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1110 | 8/26/1958 | 22.51 | 0.9969 | 8.387 | Lot 1958 | Board | 0.2554 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.62 | 0.564714 | 0.099452 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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