THERMAL PROPERTIES · REFERENCE

Material conductivity specimen index

Find published research specimens by material or sample ID; open each row for full test conditions and sources.

How to use this index

Specimens have different test conditions and methods. Values apply only to the original research samples and are not general material or product design values. Open the reference for humidity, temperature, dimensions, method, data processing and uncertainty; do not interpolate, extrapolate or compare performance directly from this index.

Lookup example

Filter for MW-1, or use browser find: the mineral-wool pipe specimen MW-1 has conductivity 0.033 W/(m·K), fitted to measurements at 10 °C and rounded upward. Open the row for conditions and source; this is not a general design value.

Specimens

Scroll the table horizontally on narrow screens, or use your browser’s find function.

17 research specimens, not general design values
MaterialSpecimen or groupConductivity W/(m·K)Test state or noteFull reference
Mineral woolMW-10.033Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Mineral woolMW-20.033Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Polyurethane foamPUR-10.034Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Polyurethane foamPUR-20.035Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Polyethylene foamPEF-10.036Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Flexible elastomeric foamFEF-10.039Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Flexible elastomeric foamFEF-20.041Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
Expanded polystyreneEPS-10.036Pipe specimen; fitted at 10 °C and rounded upwardConditions and source
PIR boardFiberglass facer0.026Mean test temperature 24.00 °C; board meanConditions and source
PIR boardAluminum facer0.024Mean test temperature 24.02 °C; board meanConditions and source
PIR boardNo facer0.023Mean test temperature 23.95 °C; board meanConditions and source
Loose spruce shavings23 °C / 50% RH0.048823 °C is conditioning temperature; mean measurement temperature 10 °CConditions and source
Loose spruce shavings23 °C / 80% RH0.051623 °C is conditioning temperature; mean measurement temperature 10 °CConditions and source
Extruded polystyrene XPSControl after receipt0.03422Hot/cold plates +10/−10 °C; reported sample temperature relationship unclearConditions and source
Polyisocyanurate foam PIRControl after receipt0.02230Hot/cold plates +10/−10 °C; reported sample temperature relationship unclearConditions and source
Mineral woolControl after receipt0.03532Hot/cold plates +10/−10 °C; reported sample temperature relationship unclearConditions and source
Expanded polystyrene EPSControl after receipt0.03233Hot/cold plates +10/−10 °C; reported sample temperature relationship unclearConditions and source

Sources and license

All four datasets below are published under CC BY 4.0. This index selects and rearranges data and translates labels and summaries; the detailed pages retain full citations, changes and limitations. CC BY 4.0

Citations do not imply endorsement by the authors or their institutions; the data are provided under the original license.