Printable CD's are much the same in this respect.
The thing is to establish what the seller means by 'Thermal'
The light scribe system[ Where the laser 'burns' the title on the the 'printable surface'] may be called Thermal
But then certain[most] Inkjet printers are strictly speaking 'Thermal'[Epson being the only exception ]
Take a trawl through this page- you may be enlightened