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R-482 — Concrete

Material Id
Concrete
Record Id
482
Date
1/27/1947
Delta T (F)
15.77
Delta X (in)
1.0224
Density (lb/ft3)
61.98
Description
Aggregate - Expanded shale, Surfaces Ground flat, parallel, Sample (HA)
Form
Block
K W Mk (W/mK)
1.8662
Manufacturer
Nbs
Material
Concrete
Mean Temp (F)
69.05
R Value per Inch (ft2hF/BTU/in)
0.077284
Rsi per Inch (m2K/W/in)
0.013611
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Haydite

Source: NIST SRD 81 API

concrete — record id 482 · rsi per inch 0.0136105 m2K/W/in · r value per inch 0.0772843 ft2hF/BTU/in · k w mk 1.8662 W/mK · mean temp 69.05 F | Insulation R Values | Engineering Database