Fabric Thermal Insulation
Resistance to dry heat transfer (i.e., fabric insulation value)
ASTM D 1518 "Thermal Resistance of Batting Systems Using a Hot Plate"
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"
Guarded hot plate in an environmental chamber; custom hoods provide either still air conditions, horizontal air flow, or vertical air flow at different levels
Specimen number and size:
3 - 20 x 20 inch squares
$375 per fabric type (3 reps)
|Vertical air flow hood over plate|
|Horizontal air flow hood over plate|
|Box Hood (still air conditions)|