Headwear: Thermal Insulation and/or Evaporative Resistance
Downloads:
Methods:
ASTM F 3426 "Standard Test Method for Measuring the Thermal Insulation of Clothing Items Using Heated Manikin Body Forms"
There is no standard method for evaluating evaporative resistance of headwear; the basic procedures in the whole body manikin standard ASTM F 2370 will be followed.
Instrument:
Thermal sweating head in an environmental chamber
Specimen number and size:
1 set of garments sized to fit the head
Cost for insulation tests:
$600 for 3 replications on one hat or helmet
Cost for evaporative resistance tests:
$882 for 3 replications on one hat or helmet
