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R-868 — Glass Fiber Board

Name: Insulation R Values — glass_fiber_board: record id 868 · date 12/4/1952 · rsi per inch 0.123782 m2K/W/in · r value per inch 0.702865 ft2hF/BTU/in · k w mk 0.2052 W/mK
Creator: Engineering Database

Material Id: Glass Fiber Board
Record Id: 868
Date: 12/4/1952
Delta T (F): 25.48
Delta X (in): 1.003
Density (lb/ft3): 5.656
Description: B-X Material
K W Mk (W/mK): 0.2052
Material: Glass Fiber Board
Mean Temp (F): 40.44
R Value per Inch (ft2hF/BTU/in): 0.702865
Rsi per Inch (m2K/W/in): 0.123782
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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