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Insulation R Values: polyethylene
1404 to 1611
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| polyethylene | 1404 | 10/26/1962 | 8.89 | 0.5657 | 57.88 | — | Block | 2.2622 | — | Polyethylene | 128.12 | 0.063756 | 0.011228 | NIST SRD 81 API | ASTM C 177 | — |
| polyethylene | 1405 | 10/29/1962 | 8.38 | 0.5618 | 58.28 | — | Block | 2.3631 | — | Polyethylene | 68.61 | 0.061033 | 0.010749 | NIST SRD 81 API | ASTM C 177 | — |
| polyethylene | 1406 | 10/30/1962 | 8.12 | 0.5598 | 58.49 | — | Block | 2.4558 | — | Polyethylene | 26.09 | 0.058729 | 0.010343 | NIST SRD 81 API | ASTM C 177 | — |
| polyethylene | 1611 | 5/12/1965 | 24.23 | 1.0398 | 20.9 | Powder, particle size < 20 micron | Loose | 0.4731 | U.S. Industrial Chemical Co. | Polyethylene | 75.54 | 0.304857 | 0.053688 | NIST SRD 81 API | ASTM C 177 | Microthene FN-500 |
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