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R-668 — Corkboard

Name: Insulation R Values — corkboard: record id 668 · date 3/25/1949 · mean temp 55.29 F · rsi per inch 0.0738587 m2K/W/in · r value per inch 0.419389 ft2hF/BTU/in
Creator: Engineering Database

Material Id: Corkboard
Record Id: 668
Date: 3/25/1949
Delta T (F): 22.58
Delta X (in): 0.2519
Description: NACA Heat Flow meters, ¼ in.
Form: Board
K W Mk (W/mK): 0.3439
Material: Corkboard
Mean Temp (F): 55.29
R Value per Inch (ft2hF/BTU/in): 0.419389
Rsi per Inch (m2K/W/in): 0.073859
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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