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Insulation R Values: cellular plastic
457 to 466
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 | 457 | 9/27/1946 | 21 | 0.9722 | 0.98 | Bubbles dispersed through specimen | Block | 0.2558 | U.S. Rubber Co. | Cellular Plastic | 98.15 | 0.563831 | 0.099296 | NIST SRD 81 API | ASTM C 177 | Flotofoam® PCT |
| cellular plastic | 458 | 9/27/1946 | 21.48 | 1 | 0.98 | — | Block | 0.2567 | U.S. Rubber Co. | Cellular Plastic | 98.58 | 0.561854 | 0.098948 | NIST SRD 81 API | ASTM C 177 | Flotofoam® PCT |
| cellular plastic | 459 | 9/30/1946 | 21.61 | 1.0128 | 1.68 | One large bubble in 100 mm square | Block | 0.2516 | U.S. Rubber Co. | Cellular Plastic | 98.59 | 0.573243 | 0.100954 | NIST SRD 81 API | ASTM C 177 | Flotofoam® 2580 |
| cellular plastic | 460 | 9/30/1946 | 21.63 | 1.0162 | 1.9 | — | Block | 0.2529 | U.S. Rubber Co. | Cellular Plastic | 98.59 | 0.570296 | 0.100435 | NIST SRD 81 API | ASTM C 177 | Flotofoam® 2580 |
| cellular plastic | 461 | 10/1/1946 | 21.81 | 1.0127 | 1.23 | — | Block | 0.2467 | U.S. Rubber Co. | Cellular Plastic | 98.79 | 0.584629 | 0.102959 | NIST SRD 81 API | ASTM C 177 | Flotofoam® 2580 |
| cellular plastic | 462 | 10/2/1946 | 20.98 | 0.963 | 1.05 | Large bubble (19 mm) in center of one specimen | Block | 0.266 | U.S. Rubber Co. | Cellular Plastic | 98.04 | 0.54221 | 0.095489 | NIST SRD 81 API | ASTM C 177 | Flotofoam® UCN |
| cellular plastic | 463 | 10/2/1946 | 21.13 | 0.9787 | 0.97 | — | Block | 0.2668 | U.S. Rubber Co. | Cellular Plastic | 98.18 | 0.540584 | 0.095202 | NIST SRD 81 API | ASTM C 177 | Flotofoam® UCN |
| cellular plastic | 464 | 10/3/1946 | 21.45 | 0.9798 | 1.18 | Slight bubble in 100 mm square | Block | 0.2647 | U.S. Rubber Co. | Cellular Plastic | 98.47 | 0.544873 | 0.095958 | NIST SRD 81 API | ASTM C 177 | Flotofoam® UCN |
| cellular plastic | 465 | 10/3/1946 | 18.55 | 1.0215 | 4.91 | Aluminum color, pore diameter: ½ mm to 2 mm | Block | 0.5804 | U.S. Rubber Co. | Cellular Plastic | 95.86 | 0.248497 | 0.043763 | NIST SRD 81 API | ASTM C 177 | Expanded ERA |
| cellular plastic | 466 | 10/4/1946 | 18.47 | 1.0257 | 6.47 | Aluminum color, pore diameter: 1 mm to 2 mm | Block | 0.6342 | U.S. Rubber Co. | Cellular Plastic | 95.78 | 0.227417 | 0.04005 | NIST SRD 81 API | ASTM C 177 | Expanded ERA |
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