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R-715 — Cotton

Name: Insulation R Values — cotton: record id 715 · rsi per inch 0.0981453 m2K/W/in · r value per inch 0.557295 ft2hF/BTU/in · k w mk 0.2588 W/mK · mean temp 70.39 F
Creator: Engineering Database

Material Id: Cotton
Record Id: 715
Date: 11/18/1949
Delta T (F): 23.94
Delta X (in): 0.9992
Density (lb/ft3): 1.162
Description: Stringy with Hull fiber, Asphalt Paper Backing
Form: Blanket
K W Mk (W/mK): 0.2588
Manufacturer: Sears Roebuck
Material: Cotton
Mean Temp (F): 70.39
R Value per Inch (ft2hF/BTU/in): 0.557295
Rsi per Inch (m2K/W/in): 0.098145
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Homart

Source: NIST SRD 81 API

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cotton — record id 715 · rsi per inch 0.0981453 m2K/W/in · r value per inch 0.557295 ft2hF/BTU/in · k w mk 0.2588 W/mK · mean temp 70.39 F | Insulation R Values | Engineering Database