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R-1845 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1845 · date 10/20/1972 · delta x 1.0246 in · mean temp 74.23 F · delta t 24.41 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1845
Date: 10/20/1972
Delta T (F): 24.41
Delta X (in): 1.0246
Density (lb/ft3): 3.416
Form: Board
K W Mk (W/mK): 0.2413
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 74.23
R Value per Inch (ft2hF/BTU/in): 0.597712
Rsi per Inch (m2K/W/in): 0.105263
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Styrofoam®

Source: NIST SRD 81 API

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