1KG HTPET+ Filament - Carbon Rod Black

A super black filament

This material is for experienced users only. This material will not print if you are unable to reach a minimum of 270c. This material requires strong cooling on your hotend's heatsink. Failure to have proper cooling will result in clogging.

*Note: Please ensure compatibility with your printer.. Material needs to be kept dry for best performance. This material is BPET, NOT PETG

We recommend drying your filament once delivered. HTPET+ is extremely hydroscopic and will absorb moisture through the vacuum bags even when perfectly sealed.

We have updated the name of this product from PET to HTPET+ Please be aware that some existing spools may be labeled as PET, but are in fact HTPET+. Why should I use HTPET+ ?
HTPET+ is a PETE polymer, the same plastic used to make soda pop bottles.

  • It has a glass transition temperature of 82c.
  • It is a non-warping resin.
  • It is annealable same as most PLA's.
  • It has similar heat resistance to ABS without annealing at 87c.
  • It doesn't have the same issues as PETG does. It doesn't glob, it can print at 100mm/s or higher speeds.

We do offer customer created PrusaSlicer profiles in two variants:

1. Prusa MK3

2. Ender 3 with modified all metal hotend

*Note: Please ensure compatibility with your printer.. Material needs to be kept dry for best performance.

This product is not recommended for use in extruders with PTFE liners, for best results use with all metal hotend

Resin: BPET
HDT: 87c (100c annealed)
Extrusion Temp: 270c@30mm/s 285c@100mm/s
Flow Rate: 30 - 150mm/s
Bed Temp: 80c (with PEI / Ultem, or Glass with Hairspray or Glue Stick)
Diameter: 1.75mm
Spool Type: Standard Spool

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Existing reviews
They’re not kidding about keeping it dry
You will absolutely need to keep this filament dry. It becomes a spider-webby mess of stringing if you don’t. I had it sitting out overnight and the next day it was barely printable. But if you do keep it dry, it prints incredibly well, like magic, and has all the benefits of ABS without the styrene and warping. Recommend.
Alexander | 3/27/2023 9:14 PM
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The holy grail of filaments
I've probably tried over 80 different brands/colors in seek of the perfect filament. This HTPET wins in probably EVERY way possible. Enjoy the ease of use and quality of PLA prints but not the "car melty" and mechanical side of it? HTPET prints EVEN BETTER and has similar heat properties of ABS. Need to print large parts but ABS warping makes it extremely difficult? HTPET has literally ZERO WARP, this stuff is even better than PETG & PLA with warping. Enjoy the beautiful translucent and glass like appearance of most PETG? Yea, this stuff has that WITHOUT the crappy prints that PETG blobs and inconsistencies are notorious for ruining (non translucent HTPET looks amazing too). I cannot express how B E A UTIFUL these prints come out looking AT ANY SIZE. No zits, no blobs, no warping, no stringing, no headaches, no mess, no touch ups, and the list goes on and on. There are a few downsides I've noticed, but pretty negligible if accounted for. If prints look bad or clog and you are using a CHT nozzle, change to a standard nozzle. If you get clogs, just turn up temperature, there is a very fine line between the perfect temperature and I-like-to-clog-your-hotend (which never actually is clogged, just kind of stuck and easily pushes out with a higher temp and enough force). Seriously, if you are on the fence about this because of the price or hesitancy of filament type, you really just need to try it, it's that game changing in my book and without question leads the pack by a mile.
Justin | 12/6/2022 10:36 PM
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My new favorite filament!
This is my new favorite filament! It's nice to have a filament that can be printed on an open-frame printer, at high speed that has good temperature and chemical resistance. I'm printing this at 125mm/s with 12mm3/s max volumetric speed on my Voron Switchwire with Dragonfly hotend. It prints much better than PETG at high speed. You definitely have to heat dry it after opening it and keep it dry while printing/storing otherwise it gets really wispy.
Patrick | 9/28/2022 11:50 PM
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