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Thermal conductivity measurements of insulating materials

The LNE Laboratory is equipped with many test benches for measuring the heat resistance of materials over a temperature range extending from -150°C to +500°C, in addition to a reference thermal conductivity measurement test bench covering the 0°-60°C range. In addition, LNE makes the connection test pieces available for purchase.

Proposed services

Among the tests carried out in this area, we're able to propose :

  • Heat resistance measurement of building insulating materials (0° - 60°C),
  • Heat resistance measurement of insulating materials for industrial installations (-150°C to +500°C),
  • Supply of reference specimens for thermal conductivity over the 0° to 60°C temperature range.

Resources available

To satisfy these testing needs, the LNE Laboratory features the following set of instruments :

Instrumentation Measurements conducted Settings
Guarded hot plate for building insulating materials Heat resistance measurement for an average temperature lying between 0° and 60°C R (m2K/W),
l (W/mK)
Guarded hot plate for industrial installation insulating materials Thermal conductivity measurement for a temperature varying from -150°C to +500°C R (m2K/W),
l (W/mK)
Fluxmeters Thermal conductivity measurement for an average temperature of 10°C R (m2K/W),
l (W/mK)

 

Applicable benchmarks (Testing standards)

  • EN 12667: Heat resistance determination by means of the guarded hot plate method and flux meter method, for products of both high and medium thermal resistance,
  • EN 12939: Heat resistance determination by means of the guarded hot plate method and flux meter method, for thick products of both high and medium thermal,
  • ISO 8301: Determination of both the heat resistance and ancillary properties in the steady state - use of the flux meter method,
  • ISO 8302: Determination of both the heat resistance and ancillary properties in the steady state - use of the guarded hot plate method.

Products covered

All thermal insulation materials.

 

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