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Insulation R Values: vermiculite
1009 to 44
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 | 1009 | 10/27/1955 | 24.37 | 1.0104 | 7.11 | Specimens placed in wood frames | Loose | 0.4496 | Zonolite Co. | Vermiculite | 73.88 | 0.320792 | 0.056495 | NIST SRD 81 API | ASTM C 177 | Zonolite® |
| vermiculite | 1017 | 11/29/1955 | 22.99 | 1.005 | 7.06 | Specimens placed in wood frames | Loose | 0.4634 | — | Vermiculite | 72.76 | 0.311238 | 0.054812 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 1038 | 8/1/1956 | 24.23 | 1.0168 | 8.266 | Aggregate, 1 mm to 3 mm, placed in wood frames | Loose | 0.4782 | — | Vermiculite | 73.75 | 0.301606 | 0.053116 | NIST SRD 81 API | ASTM C 177 | — |
| vermiculite | 155 | 10/1939 | — | 1.003 | 6.5 | — | Loose | 0.496 | Masonite Corp., Vermiculite Product Division | Vermiculite | 100.4 | 0.290782 | 0.05121 | NIST SRD 81 API | — | — |
| vermiculite | 157 | 10/12/1939 | — | 1.012 | 5.4 | Mica fill, 3 to 8 mesh, North Carolina ore | Loose | 0.446 | — | Vermiculite | 101.3 | 0.323381 | 0.056951 | NIST SRD 81 API | — | — |
| vermiculite | 158 | 10/17/1939 | — | 1.008 | 5.15 | Mica fill, 8 to 16 mesh | Loose | 0.411 | — | Vermiculite | 99 | 0.350919 | 0.0618 | NIST SRD 81 API | — | — |
| vermiculite | 212 | 6/30/1941 | — | — | 6.5 | Granular expanded vermiculite | Loose | 0.54 | Munn and Steele, Inc. | Vermiculite | 100 | 0.267089 | 0.047037 | NIST SRD 81 API | — | — |
| vermiculite | 23 | 9/20/1933 | — | 1.01 | 13.5 | — | Loose | 0.448 | Zonolite Co. | Vermiculite | 82 | 0.321937 | 0.056696 | NIST SRD 81 API | — | Zonolite® |
| vermiculite | 339 | 8/31/1943 | 12.24 | 1.019 | 10.23 | Expanded, No.1 grade ore, 3 to 14 mesh placed in frames | Loose | 0.5955 | Zonolite Co. (Vermiculite Production Corp.) | Vermiculite | 101.89 | 0.242196 | 0.042653 | NIST SRD 81 API | — | Zonolite® |
| vermiculite | 44 | 10/8/1936 | — | — | 10.5 | Expanded | Loose | 0.53 | — | Vermiculite | 100 | 0.272128 | 0.047925 | NIST SRD 81 API | — | Unifil |
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