Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-971 — Concrete

Material Id
Concrete
Record Id
971
Date
2/2/1955
Delta T (F)
23.42
Delta X (in)
0.9951
Density (lb/ft3)
31.93
Description
Cellular
Form
Block
K W Mk (W/mK)
0.8977
Manufacturer
NBS, R. Valore
Material
Concrete
Mean Temp (F)
73.44
R Value per Inch (ft2hF/BTU/in)
0.160664
Rsi per Inch (m2K/W/in)
0.028295
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

concrete — record id 971 · rsi per inch 0.0282945 m2K/W/in · r value per inch 0.160664 ft2hF/BTU/in · k w mk 0.8977 W/mK · mean temp 73.44 F | Insulation R Values | Engineering Database