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Insulation R Values: straw
701 to 703
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) | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| straw | 701 | 9/15/1949 | 24.41 | 0.8962 | Straw blanket, paper backing (both faces) | Blanket | 0.3239 | North Dakota Research Foundation | Straw | 40.88 | 0.445285 | 0.078419 | NIST SRD 81 API | ASTM C 177 |
| straw | 702 | 9/16/1949 | 25.39 | 0.9497 | Straw blanket, paper backing (both faces) | Blanket | 0.3092 | North Dakota Research Foundation | Straw | 41.84 | 0.466455 | 0.082147 | NIST SRD 81 API | ASTM C 177 |
| straw | 703 | 9/19/1949 | 21.41 | 0.9482 | Straw blanket, paper backing (both faces) | Blanket | 0.3855 | North Dakota Research Foundation | Straw | 128 | 0.374132 | 0.065888 | NIST SRD 81 API | ASTM C 177 |
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