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R-997 — Vermiculite

Name: Insulation R Values — vermiculite: record id 997 · rsi per inch 0.0522204 m2K/W/in · r value per inch 0.296521 ft2hF/BTU/in · date 9/9/1955 · k w mk 0.4864 W/mK
Creator: Engineering Database

Material Id: Vermiculite
Record Id: 997
Date: 9/9/1955
Delta T (F): 24.07
Delta X (in): 1.0167
Density (lb/ft3): 6.917
Description: Specimens Placed in Wood Frames
Form: Loose
K W Mk (W/mK): 0.4864
Manufacturer: Zonolite Co.
Material: Vermiculite
Mean Temp (F): 72.06
R Value per Inch (ft2hF/BTU/in): 0.296521
Rsi per Inch (m2K/W/in): 0.05222
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Zonolite®

Source: NIST SRD 81 API

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vermiculite — record id 997 · rsi per inch 0.0522204 m2K/W/in · r value per inch 0.296521 ft2hF/BTU/in · date 9/9/1955 · k w mk 0.4864 W/mK | Insulation R Values | Engineering Database