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R-698 — Cotton

Name: Insulation R Values — cotton: record id 698 · rsi per inch 0.099882 m2K/W/in · r value per inch 0.567157 ft2hF/BTU/in · k w mk 0.2543 W/mK · mean temp 70.93 F
Creator: Engineering Database

Material Id: Cotton
Record Id: 698
Date: 9/12/1949
Delta T (F): 24.12
Delta X (in): 0.6921
Density (lb/ft3): 0.95
Description: Roll 39128T, Sample # 6, Backing
Form: Blanket
K W Mk (W/mK): 0.2543
Material: Cotton
Mean Temp (F): 70.93
R Value per Inch (ft2hF/BTU/in): 0.567157
Rsi per Inch (m2K/W/in): 0.099882
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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