PEX cov kav dej yog resistant rau ob qho tib si txias thiab kub, hloov tau yooj yim, thiab yooj yim khoov, ua rau installation yooj yim thiab ncaj. Lawv kuj muaj peev xwm tiv taus qhov ntsuas thiab corrosion, kom ntseeg tau tias cov dej kub zoo heev.
