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R-651 — Vermiculite

Name: Insulation R Values — vermiculite: record id 651 · rsi per inch 0.0566459 m2K/W/in · r value per inch 0.32165 ft2hF/BTU/in · date 12/13/1948 · k w mk 0.4484 W/mK
Creator: Engineering Database

Material Id: Vermiculite
Record Id: 651
Date: 12/13/1948
Delta T (F): 23.93
Delta X (in): 0.9739
Density (lb/ft3): 7.33
Description: Specimens Placed in Wood Frames
Form: Loose
K W Mk (W/mK): 0.4484
Material: Vermiculite
Mean Temp (F): 71.04
R Value per Inch (ft2hF/BTU/in): 0.32165
Rsi per Inch (m2K/W/in): 0.056646
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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