Insulation R Values: sand_ottawa_silica
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) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| sand_ottawa_silica | 1021 | 12/9/1955 | 15.8 | 1.0059 | 98.84 | NBS Standard sample, 20 to 30 mesh (white, uniform, clean) | Loose | 1.9279 | Ottawa-Silica Co. | Sand, Ottawa Silica | 122.04 | 0.074811 | 0.013175 | ASTM C 177 |
| sand_ottawa_silica | 1023 | 12/15/1955 | 14.36 | 1.0054 | 100.83 | NBS Standard sample, 20 to 30 mesh (white, uniform, clean) | Loose | 2.125 | Ottawa-Silica Co. | Sand, Ottawa Silica | 120.67 | 0.067872 | 0.011953 | ASTM C 177 |
| sand_ottawa_silica | 1680 | 10/4/1966 | 24.22 | 1.0679 | 99.23 | NBS Standard sample, 20 to 30 mesh (white, uniform, clean) | Loose | 1.8472 | Ottawa-Silica Co. | Sand, Ottawa Silica | 75.14 | 0.078079 | 0.013751 | ASTM C 177 |
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