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Insulation R Values: cellular plastic
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) | standard | test method | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cellular plastic | 927 | 12/29/1953 | 11.05 | 0.536 | 11.6 | Green pigment | Block | 0.3564 | U.S. Rubber Co. | Cellular Plastic | 29.72 | 0.40468 | 0.071268 | NIST SRD 81 API | ASTM C 177 | Ensolite® |
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