ISO 11092 (EN 31092)

Description of the test
Textiles -- Physiological effects -- Measurement of thermal and water-vapour resistance under steady-state conditions.

  • The test fabric is placed on the surface of a porous metal plate.
  • The plate is heated and water is channeled into the metal plate, simulating perspiration. The plate is then kept at a constant temperature.
  • As water vapor passes through the plate and the fabric, it causes Evaporative Heat Loss and therefore more energy is needed to keep the plate at a constant temperature.
  • Ret is the measurement of the resistance to evaporative heat loss. The lower the Ret value, the less resistance to moisture transfer and therefore higher breathability.

Third Party Validation
On passing this test, the tested product can be labelled as having been tested by airmid healthgroup to ISO 11092 in support of any claim relating to the test and data received.

Turnaround Time
15 working days

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