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R-713 — Cotton

Name: Insulation R Values — cotton: record id 713 · rsi per inch 0.100316 m2K/W/in · r value per inch 0.56962 ft2hF/BTU/in · k w mk 0.2532 W/mK · mean temp 70.78 F
Creator: Engineering Database

Material Id: Cotton
Record Id: 713
Date: 11/16/1949
Delta T (F): 23.67
Delta X (in): 0.9948
Density (lb/ft3): 1.254
Description: Dark, Oily Appearance
Form: Blanket
K W Mk (W/mK): 0.2532
Manufacturer: Lockport Cotton Batting Co.
Material: Cotton
Mean Temp (F): 70.78
R Value per Inch (ft2hF/BTU/in): 0.56962
Rsi per Inch (m2K/W/in): 0.100316
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Lo-K®

Source: NIST SRD 81 API

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cotton — record id 713 · rsi per inch 0.100316 m2K/W/in · r value per inch 0.56962 ft2hF/BTU/in · k w mk 0.2532 W/mK · mean temp 70.78 F | Insulation R Values | Engineering Database