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Insulation R Values: nbs fibrous glass
1205 to 1224
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 | 1205 | 4/7/1960 | 22.5 | 1.0017 | 7.295 | Lot 1958 | Board | 0.2487 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.6 | 0.579927 | 0.102131 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1206 | 4/8/1960 | 24.16 | 1.0041 | 7.277 | Lot 1958 | Board | 0.2223 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.49 | 0.648798 | 0.11426 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1207 | 4/9/1960 | 25.68 | 1.0059 | 7.264 | Lot 1958 | Board | 0.2039 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 27.93 | 0.707346 | 0.124571 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1213 | 7/1960 | 22.52 | 0.9999 | 8.043 | Lot 1958 | Board | 0.2518 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.67 | 0.572788 | 0.100874 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1214 | 7/11/1960 | 22.41 | 0.9994 | 8.047 | Lot 1958 | Board | 0.2529 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 129.59 | 0.570296 | 0.100435 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1215 | 7/14/1960 | 26.08 | 1.0023 | 8.023 | Lot 1958 | Board | 0.2059 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 28.38 | 0.700475 | 0.123361 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1223 | 8/24/1960 | 23.18 | 1.027 | 5.574 | Lot 1958 | Board | 0.2498 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 130.01 | 0.577373 | 0.101681 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
| nbs fibrous glass | 1224 | 8/25/1960 | 24.1 | 1.0274 | 5.571 | Lot 1958 | Board | 0.2206 | Owens Corning Fiberglas Corp. | NBS Fibrous Glass | 73.27 | 0.653798 | 0.115141 | NIST SRD 81 API | ASTM C 177 | SRM® 1450 Series |
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