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R-1274 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 1274 · date 5/8/1961 · delta x 0.978 in · mean temp 73.78 F · delta t 23.84 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 1274
Date: 5/8/1961
Delta T (F): 23.84
Delta X (in): 0.978
Description: Fine Cell
Form: Board
K W Mk (W/mK): 0.2436
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 73.78
R Value per Inch (ft2hF/BTU/in): 0.592069
Rsi per Inch (m2K/W/in): 0.104269
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Styrofoam®

Source: NIST SRD 81 API

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