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Insulation R Values: nbs fibrous glass
2078 to 2087
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 | 2078 | 1/18/1980 | 22.54 | 0.4702 | 9.885 | Lot 1959, specimens (1,2), ½ in. | Board | 0.2184 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 38.22 | 0.660384 | 0.1163 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2079 | 1/22/1980 | 17.8 | 0.7391 | 8.008 | Lot 1971, specimens (1,2), 3/4 in. | Board | 0.2423 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 103.8 | 0.595245 | 0.104829 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2080 | 1/23/1980 | 22.98 | 0.7402 | 7.996 | Lot 1971, specimens (1,2), 3/4 in. | Board | 0.2302 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 76.86 | 0.626533 | 0.110339 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2081 | 2/6/1980 | 21.89 | 0.7401 | 7.997 | Lot 1971, specimens (1,2), 3/4 in. | Board | 0.2113 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 36.81 | 0.682574 | 0.120208 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2082 | 2/8/1980 | 22.88 | 1.0156 | 9.159 | Lot (?), specimen J | Board | 0.2546 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.7 | 0.566488 | 0.099764 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2083 | 2/22/1980 | 24.21 | 1.0156 | 9.159 | Lot (?), specimen J | Board | 0.2324 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.11 | 0.620602 | 0.109294 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2084 | 2/23/1980 | 21.05 | 1.0152 | 9.162 | Lot (?), specimen J | Board | 0.2005 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 4.42 | 0.719341 | 0.126683 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2085 | 2/25/1980 | 22.38 | 1.0136 | 8.155 | Lot (?), specimen H | Board | 0.25 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 127.05 | 0.576912 | 0.1016 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2086 | 2/28/1980 | 24.45 | 1.0135 | 8.156 | Lot (?), specimen H | Board | 0.2281 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 75.09 | 0.632301 | 0.111355 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 2087 | 2/29/1980 | 21.09 | 1.0133 | 8.157 | Lot (?), specimen H | Board | 0.1955 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 2.24 | 0.737739 | 0.129923 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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