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

TEH