Technische Daten

Extruded polystyrene (XPS)

Rated value of thermal conductivity λ ≈ 0.04 W/mK
Protection against heat:
Heat storage capacity S ≈ 50 kJ/cbmK
Heat capacity: 1450 J/kgK
Raw density: 35 kg/m³
Permeability for water vapor: low
Water vapor diffusion resistance factor μ ≈ 80 - 200
Umweltproduktdeklaration (EPD)*
Primary energy (non renewable): 89,5 MJ/kg **
Green house gas potential: 3,01 kg CO2-Äqv./kg
Summer smog: 0,00148 kg Ethen-Äqv./kg
Acidification potential: 0,00506 kg SO2-Äqv./kg
Eutrophication potential: 0,000619 kg Phosphat-Äqv./kg
Ozone depletion potential: 0,00000000000590 kg R11-Äqv./kg
*Source: Data set 'XPS-Daemmstoff' from ÖKOBAUDAT, Informationsportal Nachhaltiges Bauen, http://www.oekobaudat.de/, Stand: 2018-02-02.
**Auf gleiche Dämmfähigkeit normierte Bewertung.

Dämmplatten aus extrudiertem Polystyrolschaum (Markennamen z.B. Styrodur) sind im Vergleich zu EPS feinporiger, sehr druckfest und unempfindlich gegen Feuchtigkeit. XPS eignet sich gut als Perimeterdämmung, d.h. zur Dämmung von erdberührten Bauteilen.


  1. Ökologisches Baustoffinformationssystem der Bayerischen Architektenkammer
This record was last edited by u-wert.net on 19.7.2015. The technical data represent a conservative average of common products that may significantly differ from the actual values in individual cases. Please consult with the manufacturer.
This record exists in the following languages:
Hartschaum, XPS
Panneau rigide PSX (XPS)
Extruded polystyrene (XPS)

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