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R-970 — Concrete

Material Id
Concrete
Record Id
970
Date
2/1/1955
Delta T (F)
23.41
Delta X (in)
0.9993
Density (lb/ft3)
30.94
Description
Aggregate - Perlite
Form
Block
K W Mk (W/mK)
0.8412
Manufacturer
NBS, R. Valore
Material
Concrete
Mean Temp (F)
73.52
R Value per Inch (ft2hF/BTU/in)
0.171455
Rsi per Inch (m2K/W/in)
0.030195
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

concrete — record id 970 · rsi per inch 0.030195 m2K/W/in · r value per inch 0.171455 ft2hF/BTU/in · k w mk 0.8412 W/mK · mean temp 73.52 F | Insulation R Values | Engineering Database