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R-783 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 783 · date 10/13/1950 · delta x 0.9818 in · mean temp 120.23 F · delta t 21.71 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 783
Date: 10/13/1950
Delta T (F): 21.71
Delta X (in): 0.9818
Density (lb/ft3): 1.455
Form: Board
K W Mk (W/mK): 0.3277
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 120.23
R Value per Inch (ft2hF/BTU/in): 0.440122
Rsi per Inch (m2K/W/in): 0.07751
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Styrofoam®

Source: NIST SRD 81 API

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