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R-409 — Concrete

Material Id
Concrete
Record Id
409
Date
1/8/1945
Delta T (F)
5.94
Delta X (in)
0.93
Density (lb/ft3)
109.48
Description
Sample (C)
Form
Block
K W Mk (W/mK)
4.6819
Manufacturer
U.S. Maritime Commission
Material
Concrete
Mean Temp (F)
78.66
R Value per Inch (ft2hF/BTU/in)
0.030805
Rsi per Inch (m2K/W/in)
0.005425
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

concrete — record id 409 · rsi per inch 0.00542515 m2K/W/in · r value per inch 0.0308054 ft2hF/BTU/in · k w mk 4.6819 W/mK · mean temp 78.66 F | Insulation R Values | Engineering Database