An Analysis on the Moisture and Thermal Protective Performance of Firefighter Clothing Based on Different Layer Combinations and Effect of Washing on Heat Protection and Vapour Transfer Performance

Table 1

Requirement for the heat and moisture transfer property of firefighter turnout clothing in EN469 Standard: 2014.

Property	Index or factor	Level 1; requirement	Marking	Level 2; requirement	Marking
Heat transfer (flame)		≥9.0		≥13.0
		≥3.0		≥4.0
Heat transfer (radiant)		≥10.0		≥18.0
		≥3.0		≥4.0
Water vapor resistance		>30–≤45 m^2 Pa/W		≤30 m^2 Pa/W

HTI: Heat Transfer Index.