Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-905 — Cellular Polystyrene Extruded

Name: Insulation R Values — cellular_polystyrene_extruded: record id 905 · date 6/8/1953 · delta x 1.0041 in · mean temp 126.63 F · delta t 22.08 F
Creator: Engineering Database

Material Id: Cellular Polystyrene Extruded
Record Id: 905
Date: 6/8/1953
Delta T (F): 22.08
Delta X (in): 1.0041
Density (lb/ft3): 1.797
Description: Pore diameter: 0.25 MM to 0.5 MM
Form: Board
K W Mk (W/mK): 0.3401
Manufacturer: Dow Chemical Co.
Material: Cellular Polystyrene, Extruded
Mean Temp (F): 126.63
R Value per Inch (ft2hF/BTU/in): 0.424075
Rsi per Inch (m2K/W/in): 0.074684
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Styrofoam®

Source: NIST SRD 81 API

Browse more civil engineering reference tables →