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R-487 — Concrete

Material Id
Concrete
Record Id
487
Date
2/4/1947
Delta T (F)
10.35
Delta X (in)
1.0569
Density (lb/ft3)
88.26
Description
Aggregate - Expanded shale, Surfaces Ground flat, parallel, Sample (HC)
Form
Block
K W Mk (W/mK)
3.0114
Manufacturer
Nbs
Material
Concrete
Mean Temp (F)
67.45
R Value per Inch (ft2hF/BTU/in)
0.047894
Rsi per Inch (m2K/W/in)
0.008435
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Haydite

Source: NIST SRD 81 API

concrete — record id 487 · rsi per inch 0.00843462 m2K/W/in · r value per inch 0.047894 ft2hF/BTU/in · k w mk 3.0114 W/mK · mean temp 67.45 F | Insulation R Values | Engineering Database