RELX uses a closed-loop temperature control algorithm designed to deliver the ideal amount of power to the RELX pod. The liquid is heated using an industry standard wick and nichrome coil system.
RELX Classic device is made of aluminum alloy with high strength and endurance. The shell material of cartridge is PCTG produced by Eastman in the US, which is mostly used to make aviation cups, milk bottle, etc. It is resistant to high temperature and will not release harmful substances, thus you can use it without any worries.
