PCTG - The Isotropic 3D Printing Filament?

PCTG claims to be a better alternative to the well-known PETG and, even more importantly, brags with similar strength values regardless of the printing orientation, so perfect layer adhesion! Too good to be true? Let’s find out more!

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Chapters
00:00 Introduction
00:52 What is PCTG?
03:02 Tuning the settings
05:30 Print Quality tests
06:27 Mechanical tests
09:51 Temperature test
10:23 Summary

#3Dprinting #toughStuff #filamentTest

DISCLAIMER: None of these tests have been performed with calibrated or verified test equipment. The results are for entertainment purposes only! Inform yourself!

[CNCKitchen]

PETG or PCTG, what's your filament of choice?
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[KyleFalconer]

You’re the Project Farm of 3D printing: a real service to the community. These tests are really valuable. It’s really great to be able to compare your tests across materials, especially because you use a consistent method from material to material.

[DenUil]

I, personally, would also like to see how they're properties change after long exposure to UV. Thanks for the awesome videos!

[obie]

so.... a marginal performance increase from regular petg, at double the price ? yeah, no thanks. very thankful Stefan is here to bring real data into the mix, instead of us all having to rely on the manufacturer's claims.

[marsgizmo]

that’s a pretty interesting filament and thanks a lot for your time spent to do all the tests, they’re very valuable 🙌😌

[bernds]

PCTG or Poly blablablablablablabla glycol-modified.
So it should be called P7BG, right?

[P-tricky]

As always, putting in the hard work to the benefit of us all.

[timha]

I made some (thin) cookie cutters and regular PETG just wasn't tough enough for the job. So I ordered some PC Max as well as some PCTG from Fibrology after finding out about it here. And, WOW, this stuff is really strong - I did some testing and it really seemed almost isotropic: thin walls don't break between the layers, IF they break at all and not just deform. I think this will be my preferred material for small engineering jobs or delicate things.

[FirstLast-vres]

A test that checks for degradation during repeated lateral loading would be very useful. That is, back and forth stresses like a finished part may encounter during regular use. I have had PETG crack perpendicular to the layer lines despite it having been strong enough to support the load. That constant back and forth lateral load caused it to crack.

[dane]

I bought some PCTG recently to print a fuel cap for a vintage motorcycle. It apparently has good resistance to petroleum in addition to its desirable mechanical properties.

[fluxcapacitor]

10:09 @CNC Kitchen What is the brand/reference used for your annealed PLA? Most "Tough PLA" that can be annealed in an oven are in fact INGEO 3D850 or 3D870 invented by NatureWorks LLC (3D870 as higher impact resistance than 3D850), that are then sold under various names according to filament makers. But the NatureWorks charts show that these two special annealed PLA once semi-crystalline has still a heat deflection temperature that is roughly 10 °C LOWER (HDT-B = 85 °C) than that of standard ABS (HDT-B = 96 °C). So what gives? How is your chart and test possible?

[santiagoblandon]

On the last Polymaker live, they revealed that Polymax PETG is actually PCTG 🤔 interesting huh?

[maxlawwk]

I wanna see a clarity comparison among all clear/transparent filament available

[timmturner]

Looks like if impact resistance is what your parts require this material is excellent assuming you can print them horizontal.

[LeoDavidson]

Sticking with PETG since I don't need to change to an all-metal hotend to print that (with newer PETG spools, at least), and this doesn't seem to give any significant improvements for my needs.

[GizmoTheGreen]

My favorite filament! if anyone is curious, filalab has very afforable rolls available in EU. pretty much same price as most PLA or PETG. not affiliated, just want to spread love for this filament type.
Closer to ABS, with printability much more like PLA. any printer can print it as long as nozzle can to 230 Celsius and bed 80. no warping.

[chrischatterton]

The layer adhesion of this filament seems to me that it would make it a good candidate for carbon fiber infusion.

[michaelmoxley]

I have been waiting for this video. These results were very interesting. I was able to print PCTG with the same exact profile I used with PETG on my modified Ender 3, but changing the temperature to 255C. the filament printed great and seem to have great layer adhesion.

[trombonebone]

I've been hoping you would cover this for a few months, sweet!

[Zhisaoka]

Yes! I’ve been waiting for a good review of this stuff for a while! :D thanks so much!