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R-714 — Cotton

Name: Insulation R Values — cotton: record id 714 · rsi per inch 0.0891854 m2K/W/in · r value per inch 0.506418 ft2hF/BTU/in · k w mk 0.2848 W/mK · mean temp 70.73 F
Creator: Engineering Database

Material Id: Cotton
Record Id: 714
Date: 11/17/1949
Delta T (F): 23.71
Delta X (in): 1.0022
Density (lb/ft3): 0.618
Description: Light, fluffy, white, Aluminum and Asphalt Paper Backing
Form: Blanket
K W Mk (W/mK): 0.2848
Manufacturer: Janesville Cotton Mill
Material: Cotton
Mean Temp (F): 70.73
R Value per Inch (ft2hF/BTU/in): 0.506418
Rsi per Inch (m2K/W/in): 0.089185
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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cotton — record id 714 · rsi per inch 0.0891854 m2K/W/in · r value per inch 0.506418 ft2hF/BTU/in · k w mk 0.2848 W/mK · mean temp 70.73 F | Insulation R Values | Engineering Database