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R-1651 — Glass Fiber Board

Name: Insulation R Values — glass_fiber_board: record id 1651 · date 5/25/1966 · rsi per inch 0.127831 m2K/W/in · r value per inch 0.725858 ft2hF/BTU/in · k w mk 0.1987 W/mK
Creator: Engineering Database

Material Id: Glass Fiber Board
Record Id: 1651
Date: 5/25/1966
Delta T (F): 27.41
Delta X (in): 1.5427
Density (lb/ft3): 5.234
Description: Samples Tested As received, 1½ in.
K W Mk (W/mK): 0.1987
Material: Glass Fiber Board
Mean Temp (F): 32
R Value per Inch (ft2hF/BTU/in): 0.725858
Rsi per Inch (m2K/W/in): 0.127831
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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