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Insulation R Values: vermiculite
45 to 74
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| vermiculite | 45 | 8/20/1936 | — | — | 13 | Expanded | Loose | 0.6 | — | Vermiculite | 107 | 0.24038 | 0.042333 | NIST SRD 81 API | — | — |
| vermiculite | 50 | 6/1/1936 | — | — | 9 | Expanded | Loose | 0.55 | — | Vermiculite | 75 | 0.262233 | 0.046182 | NIST SRD 81 API | — | — |
| vermiculite | 55 | 3/13/1936 | — | — | 8.5 | — | Loose | 0.52 | Zonolite Co. | Vermiculite | 75 | 0.277361 | 0.048846 | NIST SRD 81 API | — | Zonolite® |
| vermiculite | 629 | 11/1/1948 | 23.16 | 0.9783 | 9.07 | Aggregate - fine, uniform, placed in wood frames (TUC-106A) | Loose | 0.5512 | — | Vermiculite | 70.49 | 0.261662 | 0.046081 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 630 | 11/3/1948 | 24.16 | 0.9781 | 8.57 | Aggregate - large and fluffy, considerable medium and fine (TUC-106B) | Loose | 0.5077 | — | Vermiculite | 71.42 | 0.284081 | 0.05003 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 635 | 11/10/1948 | 22.35 | 0.9768 | 11.19 | Aggregate - fine, uniform, placed in wood frames (TUC-106A) | Loose | 0.5775 | — | Vermiculite | 129.43 | 0.249745 | 0.043983 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 637 | 11/18/1948 | 23.85 | 0.9739 | 11.2 | Aggregate - fine, uniform, placed in wood frames (TUC-106A) | Loose | 0.5322 | — | Vermiculite | 39.39 | 0.271003 | 0.047726 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 639 | 11/23/1948 | 22.97 | 0.9768 | 11.49 | Aggregate - fine, uniform, placed in wood frames (TUC-106A) | Loose | 0.5589 | — | Vermiculite | 70.26 | 0.258057 | 0.045446 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 651 | 12/13/1948 | 23.93 | 0.9739 | 7.33 | Specimens placed in wood frames | Loose | 0.4484 | — | Vermiculite | 71.04 | 0.32165 | 0.056646 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 74 | 1936 | — | 1.015 | — | — | Loose | 0.467 | Brudericks | Vermiculite | 87.9 | 0.308839 | 0.05439 | NIST SRD 81 API | — | — |
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