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R-499 — Concrete

Name: Insulation R Values — concrete: record id 499 · rsi per inch 0.01962 m2K/W/in · r value per inch 0.111407 ft2hF/BTU/in · k w mk 1.2946 W/mK · mean temp 66.68 F
Creator: Engineering Database

Material Id: Concrete
Record Id: 499
Date: 11/10/1947
Delta T (F): 18.55
Delta X (in): 1.0011
Density (lb/ft3): 47.53
Description: Lightweight aggregate, Sample (D)
Form: Block
K W Mk (W/mK): 1.2946
Material: Concrete
Mean Temp (F): 66.68
R Value per Inch (ft2hF/BTU/in): 0.111407
Rsi per Inch (m2K/W/in): 0.01962
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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