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Insulation R Values: nbs fibrous glass
2068 to 2077
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 | 2068 | 12/21/1979 | 24.24 | 0.9594 | 9.184 | Lot 1961, return for check | Board | 0.2289 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.02 | 0.630091 | 0.110965 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2069 | 1/3/1980 | 23.66 | 0.9564 | 9.213 | Lot 1961, return for check | Board | 0.2273 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.37 | 0.634527 | 0.111747 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2070 | 1/4/1980 | 22.37 | 1.017 | 8.293 | Lot (?), specimen L | Board | 0.2492 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.52 | 0.578764 | 0.101926 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2071 | 1/7/1980 | 23.6 | 1.0171 | 8.293 | Lot (?), specimen L | Board | 0.2245 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.46 | 0.642441 | 0.11314 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2072 | 1/8/1980 | 21.05 | 1.017 | 8.293 | Lot (?), specimen L | Board | 0.1963 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 2.42 | 0.734732 | 0.129394 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2073 | 1/9/1980 | 22.46 | 1.0159 | 7.813 | Lot (?), specimen K | Board | 0.247 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.23 | 0.583919 | 0.102834 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2074 | 1/10/1980 | 23.8 | 1.0164 | 7.811 | Lot (?), specimen K | Board | 0.2236 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.66 | 0.645026 | 0.113596 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2075 | 1/11/1980 | 20.76 | 1.0167 | 7.809 | Lot (?), specimen K | Board | 0.1922 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 2.41 | 0.750405 | 0.132154 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2076 | 1/15/1980 | 20.14 | 0.4695 | 9.9 | Lot 1959, specimens (1,2), ½ in. | Board | 0.2439 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 102.67 | 0.59134 | 0.104141 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2077 | 1/16/1980 | 17.57 | 0.4702 | 9.885 | Lot 1959, specimens (1,2), ½ in. | Board | 0.2313 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.65 | 0.623553 | 0.109814 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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