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Insulation R Values: asphalt
852 to 978
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| asphalt | 852 | 11/5/1952 | 13.92 | 0.2754 | 68.52 | — | Block | 1.074 | Flintkote Co. | Asphalt | 63.72 | 0.13429 | 0.02365 | NIST SRD 81 API | ASTM C 177 | Flintkote® |
| asphalt | 853 | 11/6/1952 | 12.85 | 0.2977 | 67.52 | — | Block | 1.2656 | Flintkote Co. | Asphalt | 62.66 | 0.11396 | 0.02007 | NIST SRD 81 API | ASTM C 177 | Flintkote® |
| asphalt | 854 | 11/7/1952 | 18.58 | 0.2942 | 65.82 | — | Block | 0.8374 | Flintkote Co. | Asphalt | 67.91 | 0.172233 | 0.030332 | NIST SRD 81 API | ASTM C 177 | Flintkote® |
| asphalt | 978 | 2/25/1955 | 24.02 | 1.0069 | 39.26 | Gilsulate®, type B, loose-fill pipe insulation | Loose | 0.6364 | American Gilsonite Co. | Asphalt | 130.93 | 0.226631 | 0.039912 | NIST SRD 81 API | ASTM C 177 | Gilsulate® |
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