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R-273 — Asphalt

Name: Insulation R Values — asphalt: record id 273 · rsi per inch 0.0237516 m2K/W/in · r value per inch 0.134868 ft2hF/BTU/in · date 1/26/1942 · k w mk 1.0694 W/mK
Creator: Engineering Database

Material Id: Asphalt
Record Id: 273
Date: 1/26/1942
Delta T (F): 21.32
Delta X (in): 0.957
Density (lb/ft3): 61.5
Description: Nearly Pure Asphalt
Form: Block
K W Mk (W/mK): 1.0694
Material: Asphalt
Mean Temp (F): 79
R Value per Inch (ft2hF/BTU/in): 0.134868
Rsi per Inch (m2K/W/in): 0.023752
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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