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R-179 — Fiberboard

Name: Insulation R Values — fiberboard: record id 179 · rsi per inch 0.0664921 m2K/W/in · r value per inch 0.37756 ft2hF/BTU/in · k w mk 0.382 W/mK · date 5/31/1940
Creator: Engineering Database

Material Id: Fiberboard
Record Id: 179
Date: 5/31/1940
Delta X (in): 0.515
Density (lb/ft3): 15.6
Description: ½ in.
Form: Board
K W Mk (W/mK): 0.382
Material: Fiberboard
Mean Temp (F): 89.6
R Value per Inch (ft2hF/BTU/in): 0.37756
Rsi per Inch (m2K/W/in): 0.066492
Standard: Nist Srd 81 API

Source: NIST SRD 81 API

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