Table 1.
Humidity conditions for testing specimens

Humidity Conditions (Temp. 23°C)	Relative Humidity (%)
	Adsorption (12 h)	Desorption (12 h)
	Low (Equilibrated at 30%RH)	55	30
Medium (Equilibrated at 50%RH)	75	50
High (Equilibrated at 70%RH)	95	70