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Insulation R Values: cellular ionomer
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 ionomer | 1777 | 4/23/1969 | 14.3 | 0.4164 | 2.5 | Uneven in thickness, irregular surfaces | Slab | 0.2756 | Gilman Brothers Co. | Cellular Ionomer | 39.81 | 0.523323 | 0.092163 | NIST SRD 81 API | ASTM C 177 | Softlite® |
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