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

R-498 — Concrete

Material Id
Concrete
Record Id
498
Date
11/7/1947
Delta T (F)
21.69
Delta X (in)
1.0263
Density (lb/ft3)
38.44
Description
Lightweight aggregate, Sample (C)
Form
Block
K W Mk (W/mK)
1.0862
Material
Concrete
Mean Temp (F)
69.41
R Value per Inch (ft2hF/BTU/in)
0.132782
Rsi per Inch (m2K/W/in)
0.023384
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

concrete — record id 498 · rsi per inch 0.0233843 m2K/W/in · r value per inch 0.132782 ft2hF/BTU/in · k w mk 1.0862 W/mK · mean temp 69.41 F | Insulation R Values | Engineering Database