Evaporative Resistance of Fabrics
Property:Resistance to evaporative heat transfer
ASTM F 1868 "Thermal and Evaporative Resistance of Clothing Materials Using a Sweating Hot Plate Test"
ISO 11092 "Textiles--Determination of Physiological Properties--
Measurement of Thermal and Water-Vapour Resistance"
Instrument:Sweating hot plate in an environmental chamber; custom hoods provide either horizontal or vertical air flow at different levels
Specimen number and size:
3 - 20 x 20 inch squares
$375 per fabric type (3 reps)
|Flooding the plate|
|Water is covered with a PTFE liquid barrier to keep the fabric sample dry during the evaporative resistance test.|