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R-44 — Vermiculite

Name: Insulation R Values — vermiculite: record id 44 · rsi per inch 0.0479245 m2K/W/in · r value per inch 0.272128 ft2hF/BTU/in · date 10/8/1936 · k w mk 0.53 W/mK
Creator: Engineering Database

Material Id: Vermiculite
Record Id: 44
Date: 10/8/1936
Density (lb/ft3): 10.5
Description: Expanded
Form: Loose
K W Mk (W/mK): 0.53
Material: Vermiculite
Mean Temp (F): 100
R Value per Inch (ft2hF/BTU/in): 0.272128
Rsi per Inch (m2K/W/in): 0.047925
Standard: Nist Srd 81 API
Trade Name: Unifil

Source: NIST SRD 81 API

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