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Insulation R Values: soap powder
1622 to 1625
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| soap powder | 1622 | 11/8/1965 | 24.28 | 1.0439 | 47.07 | Granules, sample (A) | Loose | 0.8441 | Soap Powder | 75.25 | 0.170866 | 0.030091 | NIST SRD 81 API | ASTM C 177 |
| soap powder | 1623 | 11/9/1965 | 24.08 | 1.042 | 46.1 | Granules, sample (A) | Loose | 0.7405 | Soap Powder | 75.06 | 0.194771 | 0.034301 | NIST SRD 81 API | ASTM C 177 |
| soap powder | 1624 | 11/10/1965 | 23.16 | 1.0407 | 46.1 | Granules, sample (A) | Loose | 0.7766 | Soap Powder | 129.31 | 0.185717 | 0.032707 | NIST SRD 81 API | ASTM C 177 |
| soap powder | 1625 | 11/12/1965 | 24.23 | 1.0395 | 44.24 | Granules, sample (B) | Loose | 0.7209 | Soap Powder | 75.08 | 0.200066 | 0.035234 | NIST SRD 81 API | ASTM C 177 |
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