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Insulation R Values: cellular polyurethane
1668 to 1803
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 polyurethane | 1668 | 7/5/1966 | 23.68 | 1.0148 | 1.694 | — | Board | 0.1279 | — | Cellular Polyurethane | 49.56 | 1.127661 | 0.198593 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1669 | 7/6/1966 | 23.99 | 1.0091 | 2.191 | — | Board | 0.1185 | — | Cellular Polyurethane | 49.84 | 1.217113 | 0.214346 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1670 | 7/7/1966 | 24.81 | 1.0148 | 2.614 | — | Board | 0.1214 | — | Cellular Polyurethane | 50.65 | 1.188039 | 0.209226 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1671 | 7/7/1966 | 24.73 | 1.0132 | 2.144 | — | Board | 0.1187 | — | Cellular Polyurethane | 50.56 | 1.215062 | 0.213985 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1672 | 7/8/1966 | 25.4 | 1.0002 | 2.058 | — | Board | 0.128 | — | Cellular Polyurethane | 51.15 | 1.12678 | 0.198438 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1766 | 11/21/1968 | 25.35 | 0.7285 | 2.09 | — | Board | 0.1586 | Dow Chemical Co. | Cellular Polyurethane | 41.2 | 0.909381 | 0.160151 | NIST SRD 81 API | ASTM C 177 | Thurane® |
| cellular polyurethane | 1770 | 12/13/1968 | 25.12 | 0.9965 | 2.016 | Specimens cut from 2 pieces 1½ in. thick | Board | 0.1307 | — | Cellular Polyurethane | 39.96 | 1.103503 | 0.194338 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1782 | 5/20/1969 | 24.89 | 1.0686 | 1.777 | Sorbitol-based polyether foam | Board | 0.172 | Atlas Chemical Industries, Inc. | Cellular Polyurethane | 74.83 | 0.838534 | 0.147674 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1783 | 5/21/1969 | 25.06 | 1.0404 | 1.981 | — | Board | 0.1658 | — | Cellular Polyurethane | 50.73 | 0.869891 | 0.153197 | NIST SRD 81 API | ASTM C 177 | — |
| cellular polyurethane | 1803 | 10/20/1969 | 25.01 | 1.0003 | 1.428 | — | Board | 0.1727 | Upjohn Co., CPR Division | Cellular Polyurethane | 39.65 | 0.835135 | 0.147076 | NIST SRD 81 API | ASTM C 177 | CPR Urethane |
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