POLYCARBONATE Printing on Prusa Mendel - REPRAP

[erangalor]

Where did you get a polycarbonate filament?

[RichRap2011]

richrap.blogspot.com/2011/08/h­igh-power-hot-end-for-fast-pri­nting.html

[RichRap2011]

Hi Nathan

Yes, I'm in a well ventilated space. I have PTFE as the thermal break (Cool end) and also wrapped around the heating block

I have been using it at 265 Degrees C with ABS for many weeks and higher with PC, and have not yet seen any degrading of the PTFE, it is all very well cooled with a small fan.

My hot end design is on my blog, see August.

The PEEK block stays below 40 degrees C at all times.

[nathan7tube]

I am wondering about your hot-end. You're working way above 260°C, which is the temperature at which PTFE starts giving off some very nasty gases.

What is your hotend built from? Do you have more information?