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R-1909 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1909 · date 4/27/1975 · delta x 1.2457 in · mean temp 58.88 F · delta t 13.95 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1909
Date: 4/27/1975
Delta T (F): 13.95
Delta X (in): 1.2457
Density (lb/ft3): 2.188
Description: Air Blown (?)
Form: Board
K W Mk (W/mK): 0.2122
Manufacturer: Philips Research Laboratory GmbH
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 58.88
R Value per Inch (ft2hF/BTU/in): 0.679679
Rsi per Inch (m2K/W/in): 0.119698
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Styrodur

Source: NIST SRD 81 API

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