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R-174 — Concrete

Material Id
Concrete
Record Id
174
Date
5/23/1940
Delta X (in)
1.478
Density (lb/ft3)
51
Description
Aggregate - vermiculite, 3:1 MIX
Form
Block
K W Mk (W/mK)
1.613
Material
Concrete
Mean Temp (F)
85.2
R Value per Inch (ft2hF/BTU/in)
0.089416
Rsi per Inch (m2K/W/in)
0.015747
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

concrete — record id 174 · rsi per inch 0.0157471 m2K/W/in · r value per inch 0.0894159 ft2hF/BTU/in · k w mk 1.613 W/mK · mean temp 85.2 F | Insulation R Values | Engineering Database