Interesting. PTFE tubes are used for 3D printers (although it's a small quantity and they aren't consumable), but I didn't know it was so much more harmful than

Interesting. PTFE tubes are used for 3D printers (although it's a small quantity and they aren't consumable), but I didn't know it was so much more harmful than other plastics. Edit: just realized that PTFE is Teflon. Makes more sense now.