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R-1200 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1200 · date 3/29/1960 · delta x 0.9791 in · mean temp 74.32 F · delta t 24.92 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1200
Date: 3/29/1960
Delta T (F): 24.92
Delta X (in): 0.9791
Density (lb/ft3): 1.837
Description: Looks Like Styrofoam®
Form: Board
K W Mk (W/mK): 0.322
Manufacturer: Dow Chemical Co. (?)
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 74.32
R Value per Inch (ft2hF/BTU/in): 0.447913
Rsi per Inch (m2K/W/in): 0.078882
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

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