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R-170 — Concrete

Material Id
Concrete
Record Id
170
Date
5/15/1940
Delta X (in)
1.06
Density (lb/ft3)
45.9
Description
Aggregate - Expanded glass, 8:1
Form
Block
K W Mk (W/mK)
1.09
Material
Concrete
Mean Temp (F)
89.8
R Value per Inch (ft2hF/BTU/in)
0.132319
Rsi per Inch (m2K/W/in)
0.023303
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

concrete — record id 170 · rsi per inch 0.0233028 m2K/W/in · r value per inch 0.132319 ft2hF/BTU/in · k w mk 1.09 W/mK · mean temp 89.8 F | Insulation R Values | Engineering Database