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Insulation R Values: alumina powder
1643 to 1644
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) | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| alumina powder | 1643 | 3/7/1966 | 22.27 | 1.0497 | 10.13 | Calcined | Loose | 0.3232 | Alumina Powder | 129.24 | 0.44625 | 0.078589 | NIST SRD 81 API | ASTM C 177 | Alcoa Hydral® 705 |
| alumina powder | 1644 | 3/9/1966 | 24.53 | 1.0478 | 10.15 | Calcined | Loose | 0.2745 | Alumina Powder | 19.72 | 0.52542 | 0.092532 | NIST SRD 81 API | ASTM C 177 | Alcoa Hydral® 705 |
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