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R-1797 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1797 · date 10/8/1969 · delta x 1.0115 in · mean temp 91.95 F · delta t 23.56 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1797
Date: 10/8/1969
Delta T (F): 23.56
Delta X (in): 1.0115
Density (lb/ft3): 2.209
Description: Ground Insulation (inside-out)
Form: Board
K W Mk (W/mK): 0.2287
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 91.95
R Value per Inch (ft2hF/BTU/in): 0.630642
Rsi per Inch (m2K/W/in): 0.111063
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Scorbord®

Source: NIST SRD 81 API

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