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Insulation R Values: glass fiber blanket
1019 to 1869
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 | 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 | uncertainty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glass fiber blanket | 1019 | 12/1/1955 | 24.13 | 0.9796 | 0.631 | Foil (one face) | 0.277 | — | Glass Fiber Blanket | 73.75 | 0.520678 | 0.091697 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1020 | 12/1/1955 | 24.06 | 0.9867 | 1.547 | — | 0.2591 | — | Glass Fiber Blanket | 73.53 | 0.55665 | 0.098032 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1039 | 8/2/1956 | 24.12 | 0.9642 | 1.964 | Coarse fibers, large air spaces | 0.2714 | — | Glass Fiber Blanket | 73.58 | 0.531422 | 0.093589 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1040 | 8/3/1956 | 24.21 | 0.9573 | 1.832 | Fine fibers, downy-like material | 0.2249 | — | Glass Fiber Blanket | 73.75 | 0.641298 | 0.112939 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1052 | 12/18/1956 | 24.24 | 0.9742 | 0.62 | Very low density | 0.2784 | — | Glass Fiber Blanket | 73.78 | 0.51806 | 0.091236 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 125 | 5/26/1939 | — | 1.02 | 1.48 | — | 0.308 | — | Glass Fiber Blanket | 95.5 | 0.468272 | 0.082468 | NIST SRD 81 API | — | — |
| glass fiber blanket | 1835 | 8/27/1971 | 25.55 | 1.1943 | 1.949 | Glass fiber, black polyethylene film (0.009 in.) enclosed | 0.2319 | — | Glass Fiber Blanket | 40.68 | 0.62194 | 0.10953 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1838 | 12/2/1971 | 25.57 | 1.4054 | 2.115 | Glass fiber, black polyethylene film (0.009 in.) enclosed | 0.2336 | — | Glass Fiber Blanket | 40.98 | 0.617414 | 0.108733 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1868 | 7/9/1974 | 24.4 | 1.0008 | 1.114 | Specimens (5-10,10-10) | 0.2685 | Johns Manville | Glass Fiber Blanket | 75.27 | 0.537162 | 0.0946 | NIST SRD 81 API | ASTM C 177 | 1 |
| glass fiber blanket | 1869 | 7/10/1974 | 24.48 | 1 | 2.081 | Specimens (20-35,20-37) | 0.2348 | Johns Manville | Glass Fiber Blanket | 75.32 | 0.614259 | 0.108177 | NIST SRD 81 API | ASTM C 177 | 1 |
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