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Insulation R Values: cellular urea formaldehyde
1899 to 1927
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cellular urea formaldehyde | 1899 | 12/30/1974 | 24.5 | 1.1478 | 0.556 | Urea-formaldehyde foam (CA-180) | Board | 0.244 | Cellular Urea-Formaldehyde | 75.24 | 0.591098 | 0.104098 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1900 | 12/31/1974 | 25.41 | 1.1478 | 0.556 | Urea-formaldehyde foam (CA-180) | Board | 0.2171 | Cellular Urea-Formaldehyde | 29.45 | 0.664339 | 0.116997 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1901 | 1/7/1975 | 25.52 | 1.0786 | 0.645 | Urea-formaldehyde foam (CA-180A) | Board | 0.2115 | Cellular Urea-Formaldehyde | 29.44 | 0.681929 | 0.120095 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1902 | 1/8/1975 | 24.43 | 1.0786 | 0.645 | Urea-formaldehyde foam (CA-180A) | Board | 0.2365 | Cellular Urea-Formaldehyde | 75.26 | 0.609843 | 0.1074 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1903 | 3/1/1975 | 24.43 | 0.9638 | 0.728 | Urea-formaldehyde foam (BFR-200/BFA-201) | Board | 0.2319 | Cellular Urea-Formaldehyde | 75.26 | 0.62194 | 0.10953 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1904 | 3/19/1975 | 25.13 | 0.9638 | 0.728 | Urea-formaldehyde foam (BFR-200/BFA-201) | Board | 0.2075 | Cellular Urea-Formaldehyde | 28.86 | 0.695074 | 0.12241 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1907 | 4/3/1975 | 24.56 | 0.9986 | 0.605 | — | Board | 0.2458 | Cellular Urea-Formaldehyde | 75.72 | 0.586769 | 0.103336 | NIST SRD 81 API | ASTM C 177 |
| cellular urea formaldehyde | 1927 | 3/10/1976 | 23.84 | 1.0395 | 1.024 | — | Board | 0.2273 | Cellular Urea-Formaldehyde | 74.97 | 0.634527 | 0.111747 | NIST SRD 81 API | ASTM C 177 |
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