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Insulation R Values: glass fiber blanket
2045 to 2058
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 | 2045 | 8/7/1979 | 21.29 | 1.1183 | 0.758 | SRM® 1451, Sample 80143 | 0.2304 | Johns Manville | Glass Fiber Blanket | 1.04 | 0.625989 | 0.110243 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2046 | 8/8/1979 | 24.65 | 1.0609 | 0.8 | SRM® 1451, Sample 80143 | 0.2902 | Johns Manville | Glass Fiber Blanket | 75.22 | 0.496995 | 0.087526 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2047 | 8/8/1979 | 22.81 | 1.0628 | 0.798 | SRM® 1451, Sample 80143 | 0.3436 | Johns Manville | Glass Fiber Blanket | 127.43 | 0.419755 | 0.073923 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2048 | 8/13/1979 | 24.27 | 1 | 0.848 | SRM® 1451, Sample 80143 | 0.2833 | Johns Manville | Glass Fiber Blanket | 75.12 | 0.5091 | 0.089658 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2049 | 8/14/1979 | 22.68 | 1.0001 | 0.848 | SRM® 1451, Sample 80143 | 0.3394 | Johns Manville | Glass Fiber Blanket | 127.38 | 0.42495 | 0.074838 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2050 | 8/15/1979 | 21.06 | 1.0003 | 0.848 | SRM® 1451, Sample 80143 | 0.2223 | Johns Manville | Glass Fiber Blanket | 2.22 | 0.648798 | 0.11426 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2051 | 8/24/1979 | 24.32 | 0.8729 | 0.972 | SRM® 1451, Sample 80143 | 0.2747 | Johns Manville | Glass Fiber Blanket | 75.36 | 0.525038 | 0.092465 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2052 | 8/26/1979 | 23.23 | 0.8744 | 0.97 | SRM® 1451, Sample 80143 | 0.3244 | Johns Manville | Glass Fiber Blanket | 128 | 0.444599 | 0.078298 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2057 | 11/5/1979 | 23.42 | 1.1266 | 0.753 | SRM® 1451, Sample 80143 | 0.3474 | Johns Manville | Glass Fiber Blanket | 128 | 0.415164 | 0.073115 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
| glass fiber blanket | 2058 | 11/16/1979 | 21.77 | 1.1261 | 0.753 | SRM® 1451, Sample 80143 | 0.2264 | Johns Manville | Glass Fiber Blanket | 1.33 | 0.637049 | 0.112191 | NIST SRD 81 API | ASTM C 177 | SRM® 1451 |
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