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R-128 — Cotton

Material Id
Cotton
Record Id
128
Date
9/20/1939
Delta X (in)
1.02
Density (lb/ft3)
1.6
Description
Fireproofed
Form
Blanket
K W Mk (W/mK)
0.26
Material
Cotton
Mean Temp (F)
104.2
R Value per Inch (ft2hF/BTU/in)
0.554723
Rsi per Inch (m2K/W/in)
0.097692
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

cotton — record id 128 · rsi per inch 0.0976923 m2K/W/in · r value per inch 0.554723 ft2hF/BTU/in · k w mk 0.26 W/mK · mean temp 104.2 F | Insulation R Values | Engineering Database