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Insulation R Values: glass fiber blanket
1891 to 2017
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 | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glass fiber blanket | 1891 | 10/25/1974 | 24.22 | 1.0295 | 0.733 | Glass fiber, yellow pigment, no backing | 0.2978 | — | Glass Fiber Blanket | 74.93 | 0.484311 | 0.085292 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1892 | 11/7/1974 | 24.56 | 1.0566 | 0.608 | Glass fiber, kraft paper | 0.3306 | — | Glass Fiber Blanket | 75.18 | 0.436261 | 0.07683 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1893 | 11/8/1974 | 24.28 | 0.776 | 0.828 | Glass fiber, kraft paper, compressed | 0.2945 | — | Glass Fiber Blanket | 75 | 0.489738 | 0.086248 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1894 | 11/11/1974 | 24.55 | 0.859 | 0.792 | Glass fiber, kraft paper, compressed | 0.2816 | — | Glass Fiber Blanket | 75.31 | 0.512173 | 0.090199 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1895 | 11/12/1974 | 24.53 | 0.9724 | 0.685 | Glass fiber, pink pigment, kraft paper | 0.3234 | — | Glass Fiber Blanket | 75.2 | 0.445974 | 0.078541 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 1906 | 3/28/1975 | 24.53 | 1.0984 | 2.01 | — | 0.273 | — | Glass Fiber Blanket | 75.75 | 0.528307 | 0.09304 | NIST SRD 81 API | ASTM C 177 | — |
| glass fiber blanket | 2014 | 3/21/1979 | 26.85 | 1.0839 | 0.86 | SRM® 1451, Sample 80153 | 0.2886 | Johns Manville | Glass Fiber Blanket | 74.18 | 0.49975 | 0.088011 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2015 | 3/22/1979 | 15.85 | 1.0839 | 0.86 | SRM® 1451, Sample 80153 | 0.3009 | Johns Manville | Glass Fiber Blanket | 88.35 | 0.479322 | 0.084413 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2016 | 3/23/1979 | 15.94 | 1.0839 | 0.86 | SRM® 1451, Sample 80153 | 0.2982 | Johns Manville | Glass Fiber Blanket | 88.61 | 0.483662 | 0.085178 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2017 | 3/26/1979 | 11.08 | 1.0857 | 0.859 | SRM® 1451, Sample 80153 | 0.3016 | Johns Manville | Glass Fiber Blanket | 93.24 | 0.478209 | 0.084218 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
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