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R-827 — Glass Fiber Board

Name: Insulation R Values — glass_fiber_board: record id 827 · date 3/25/1952 · rsi per inch 0.100754 m2K/W/in · r value per inch 0.572106 ft2hF/BTU/in · k w mk 0.2521 W/mK
Creator: Engineering Database

Material Id: Glass Fiber Board
Record Id: 827
Date: 3/25/1952
Delta T (F): 21.82
Delta X (in): 0.8756
Density (lb/ft3): 4.18
Description: PF-450 Fine Fiber Material
K W Mk (W/mK): 0.2521
Material: Glass Fiber Board
Mean Temp (F): 128.07
R Value per Inch (ft2hF/BTU/in): 0.572106
Rsi per Inch (m2K/W/in): 0.100754
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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