Humidity between 10 and 95% and storage temperatures of 5 to 40 C do not have an effect on the transition temperature of PLA, which can be explained by its low water sorption values (i.e. <100 ppm at Aw ? 1).

Humidity between 10 and 95% and storage temperatures of 5 to 40 C do not have an effect on the transition temperature of PLA, which can be explained by its low water sorption values (i.e. <100 ppm at Aw ? 1).