Is allPHA resistant to high temperatures? 23 January 2024 12:25 Updated Yes! allPHA has a softening temperature (HDT) of 153 °C. Above this temperature, printed parts may lose their shape. Related articles Is allPHA UV resistant? Which temperature do I need to print allPHA? PHA: What about harmful additives? What other print settings are key to printing allPHA? My prints are warping, what platform material would be the best for using allPHA?