Right off their page. I've printed the carbon fiber filament, and it's some damn tough stuff. I'd use it to print a polymer frame if I had the need/desire.
Supported materials – PLA, ABS, PET, HIPS, Flex PP, Ninjaflex, Laywood, Laybrick, Nylon, Bamboofill, Bronzefill, ASA, T-Glase, Carbon-fibers enhanced filaments, Polycarbonates...