Thermal conductivity of concentric pipe insulation


© Fraunhofer IBP
Measurement Thermal conductivity
Standards DIN EN ISO 8497, EN 14313, EN 14303, EN 14305
Measurement object Concentric pipe insulation, tubular homogeneous and approximately homogeneous as well as layered test specimens (hollow cylinders, half shells, segments)

Technical data

Measurement section 0,6 m
Test specimen dimensions Length 1 m, external diameter up to 125 mm
Carrier pipe diameters From 18 to 42 mm; special dimensions on request
Mean specimen temperature Within a range of approx. −20 to +90 °C
Measurement range From 0,01 to 0,25 W/m∙K


The test laboratory is recognized by the Deutsches Institut für Bautechnik (DIBt) as a testing facility under applicable building regulations LBO No. BWU10 and as a Notified Body No. 1004 to the terms of the Regulation of Construction Products (EU-BauPVO). It has been granted flexible accreditation under DIN EN ISO/IEC 17025 by the Deutsche Akkreditierungsstelle GmbH (DAkkS) under accreditation No. D‑PL‑11140‑11-04.

More information

  • Determination of energy savings, prevention of condensation, corrosion protection, service temperature, values for CE marking
  • Pipe insulation, e.g., made of PE cellular plastics, PIR rigid foam, mineral wool, PU cellular plastics, foam glass, vinyl rubber, PS rigid foam in hoses, half shells, wound strands, fleeces