Fabric Thermal Insulation
Property:
Resistance to dry heat transfer (i.e., fabric insulation value)
Methods:
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"
Instrument:
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
Cost:
$375 per fabric type (3 reps)
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| Vertical air flow hood over plate |
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| Horizontal air flow hood over plate |
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| Box Hood (still air conditions) |
