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Insulation R Values: zirconia
1955 to 1959
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| zirconia | 1955 | 7/28/1977 | 24.73 | 1.0129 | 30.25 | Zirconium Oxide (ZrO<sub>2</sub>), white, samples (1A,1B) | Block | 0.4292 | Zirconia | 72.91 | 0.336039 | 0.05918 | NIST SRD 81 API | ASTM C 177 |
| zirconia | 1956 | 7/29/1977 | 23.19 | 1.0133 | 30.24 | Zirconium Oxide (ZrO<sub>2</sub>), white, samples (1A,1B) | Block | 0.4564 | Zirconia | 129.43 | 0.316012 | 0.055653 | NIST SRD 81 API | ASTM C 177 |
| zirconia | 1957 | 8/1/1977 | 24.73 | 1.0132 | 30.24 | Zirconium Oxide (ZrO<sub>2</sub>), white, samples (1A,1B) | Block | 0.4176 | Zirconia | 54.86 | 0.345373 | 0.060824 | NIST SRD 81 API | ASTM C 177 |
| zirconia | 1958 | 8/3/1977 | 19.46 | 1.0131 | 30.25 | Zirconium Oxide (ZrO<sub>2</sub>), white, samples (1A,1B) | Block | 0.3917 | Zirconia | -2.22 | 0.36821 | 0.064846 | NIST SRD 81 API | ASTM C 177 |
| zirconia | 1959 | 8/5/1977 | 23.82 | 1.0129 | 30.25 | Zirconium Oxide (ZrO<sub>2</sub>), white, samples (1A,1B) | Block | 0.4431 | Zirconia | 105.37 | 0.325497 | 0.057323 | NIST SRD 81 API | ASTM C 177 |
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