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R-1977 — Rock Wool

Name: Insulation R Values — rock_wool: record id 1977 · date 2/3/1978 · mean temp 74.96 F · rsi per inch 0.0760707 m2K/W/in · r value per inch 0.431949 ft2hF/BTU/in
Creator: Engineering Database

Material Id: Rock Wool
Record Id: 1977
Date: 2/3/1978
Delta T (F): 24.03
Delta X (in): 1.1085
Density (lb/ft3): 2.173
Form: Blanket
K W Mk (W/mK): 0.3339
Material: Rock Wool
Mean Temp (F): 74.96
R Value per Inch (ft2hF/BTU/in): 0.431949
Rsi per Inch (m2K/W/in): 0.076071
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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