Polymaker PC-PBT
Polymaker PC-PBT is a PC/PBT polymer blend which offers good heat resistance and toughness at low temperature (-20˚C/-30˚C). Polymaker PC-PBT also features good chemical resistance.
Please refer to the printing requirements below before purchasing.
Nozzle temperature
260 – 280 (℃)
Build surface treatment
Texture PEI (Glue when needed)
Build plate temperature
100 – 115 (˚C)
Cooling fan
OFF
Printing speed
50 - 250 (mm/s)
Retraction distance
1 - 3 (mm)
Retraction speed
20 - 40 (mm/s)
Closure Chamber
Needed (100-110˚C)
Recommended support material
-
Drying setting
75˚C for 6h
Annealing setting * Based on 0.4 mm nozzle. Printing conditions may vary
90˚C for 2h
Print Tips
This material should only be printed when you have a heated chamber printer that can reach 100˚C - 115˚C ambient air temperatures.
This means this is an industrial material that should not be printed on standard consumer machines.
Print slow and hot to help with layer adhesion and warping.
Keep cooling fans off.
Set the chamber temp to 100˚C - 115˚C and allow the chamber to heat all the way up before starting your print.
A dry box or filament dryer is recommended when printing with PC due to it being slightly more hygroscopic.
Using a larger diameter nozzle will also help with layer adhesion.
Magigoo PC is a great product to help with polycarbonate build plate adhesion.
Annealing is required after printing polycarbonate.
You need to keep your chamber temp at 100˚C - 115˚C for 2 hours after the print finishes. Then allow the print to slowly cool to room temperature.
FAQ
What is annealing?
Will the spools work in an AMS?
Yes! We have redesigned the edges of our spools so all Polymaker products will now spin great in the AMS.
Does PC absorbs moisture?
The short answer is yes, PolyLite™ PC will absorb moisture slightly faster than regular PLA. We recommend using a dry box to achieve high quality and strong prints.
Why are my parts cracking along layer lines?
You really need to make sure you are using an enclosed printer and that you are keeping ambient air temps as high as possible. You then want to make sure you are annealing the part the moment the print finishes. Keeping ambient air temps high and allowing for very slow cooling is a great way to reduce chances of cracking and to maintain layer strength.
Printing Requirements
Enclosed printer that can trap heat required.
Actively heated chamber with minimum 100˚C chamber temp required.
Large, dense parts will require a heated chamber even more so than small parts.
Dryer or drybox recommended.
Magigoo PC highly recommended to help with bed adhesion.
All-metal hotend that can reach at least 260˚C
Documents
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