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Insulation R Values: nbs fibrous glass
1137 to 1154
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 | 1137 | 3/20/1959 | 22.94 | 1.0226 | 5.543 | Lot 1958 | Board | 0.2438 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.98 | 0.591583 | 0.104184 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1138 | 3/23/1959 | 24.34 | 1.0224 | 5.544 | Lot 1958 | Board | 0.2208 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.74 | 0.653206 | 0.115036 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1139 | 3/24/1959 | 24.98 | 1.0221 | 5.546 | Lot 1958 | Board | 0.2076 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 42.84 | 0.694739 | 0.122351 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1144 | 4/10/1959 | 24.18 | 1.0209 | 5.866 | Lot 1958 | Board | 0.2192 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.53 | 0.657974 | 0.115876 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1145 | 4/28/1959 | 25.61 | 1.001 | 5.051 | Lot 1958 | Board | 0.2199 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 74.81 | 0.655879 | 0.115507 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1150 | 5/26/1959 | 18.47 | 0.5515 | 7.534 | Lot 1959, ½ in. | Board | 0.2419 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 125.07 | 0.596229 | 0.105002 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1151 | 5/27/1959 | 19.27 | 0.5519 | 7.528 | Lot 1959, ½ in. | Board | 0.2171 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 69.03 | 0.664339 | 0.116997 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1152 | 5/28/1959 | 19.48 | 0.5516 | 7.532 | Lot 1959, ½ in. | Board | 0.2058 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 38.44 | 0.700816 | 0.123421 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1153 | 6/5/1959 | 22.75 | 1.0136 | 6.132 | Lot 1958 | Board | 0.2461 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 128.83 | 0.586054 | 0.10321 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1154 | 6/8/1959 | 24.2 | 1.0145 | 6.127 | Lot 1958 | Board | 0.2204 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.35 | 0.654392 | 0.115245 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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