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R-63 — Cotton

Material Id
Cotton
Record Id
63
Date
12/6/1938
Density (lb/ft3)
13.5
Description
Treated
Form
Blanket
K W Mk (W/mK)
0.37
Manufacturer
U.S. Department of Agriculture
Material
Cotton
Mean Temp (F)
97
R Value per Inch (ft2hF/BTU/in)
0.389805
Rsi per Inch (m2K/W/in)
0.068649
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

cotton — record id 63 · rsi per inch 0.0686486 m2K/W/in · r value per inch 0.389805 ft2hF/BTU/in · k w mk 0.37 W/mK · mean temp 97 F | Insulation R Values | Engineering Database