Like stated above, TC is still evolving as to what material should be used. True, any metal, including Ni60/Ni80 Nichrome and Kanthal, if abused and overheated out gasses and can become toxic, Nichrome the chromium in it, kanthal the aluminium and some the ceramic or iron or chromium as well, all of them excluding Ti1 the Nickel within these allows. Out of all of them SS and Kanthal can withstand the most heat due to their iron content in their alloy makeup. With TC, most TC
mods have a maximum temp output of about 600F or 300C, which is below the degalvinating (sorry this term I am still learning about, basically not melting point but it reaches an oxidizing threshold where particulate begins to enter the vapor aerosol stream) point for Nickel (Ni200), yet about Melting point is a bit higher within a couple hundred degrees F.
Ti1 you have to worry about around 650 or a bit higher begins to create an oxide on the surface, and titanium oxide is not a fun substance to be getting into your vapor stream either. Basically if you got
juice flowing to be vaporized, the wicking and metal stay wet or moist, and plenty of airflow, 525 to about 575F is still in the safe zone even with Ni200 and Ti1, coil and wicking start getting dry, the ignition points of even cotton at the 400 to 430F range can happen, also you have to look at the flash points of liquid substances in your vape that can create diketones, acrolien gases, and other such nasties and set your temp ceiling on the
mod to about 25-50F below those would be your max setting I use as a guage, not the metals themselves, but my wicking and juices, in the ball park of 450-550F depending on my liquids.
