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R-1798 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1798 · date 10/9/1969 · delta x 1.012 in · mean temp 51.98 F · delta t 24.95 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1798
Date: 10/9/1969
Delta T (F): 24.95
Delta X (in): 1.012
Density (lb/ft3): 2.208
Description: Ground Insulation
Form: Board
K W Mk (W/mK): 0.2093
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 51.98
R Value per Inch (ft2hF/BTU/in): 0.689097
Rsi per Inch (m2K/W/in): 0.121357
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Scorbord®

Source: NIST SRD 81 API

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