PET-CF, technical filament with best strength to price ratio. By Siraya Tech

[@comentator4481]

This is the only no BS channel on youtube, Igor is absolute Goat. Eveyone reads labels and pretends to do reviews. Igor, takes filament prints stuff, brakes it showing you all on camera and displaying actual results for you to see.

[@KToMmi]

Jesus Christ, what a performance. This might become the ultimate technical filament for just 50 €/kg.

[@3rdHalf1]

Only problem is that FDM printed parts leave tinny CF/GF splinters, giving the parts the matt surface, that embed into skin when handling parts. CF/GF injection molded parts doesn’t have this problem because molded parts fully encase fibre into plastic.

[@DrZylvon]

​@@3rdHalf1i wish this point would get more coverage! And the solutions too, like coating sprays..

[@50an6xy06r6n]

I got a roll of siraya pet-CF because it was so cheap on Amazon and I really like it so far. Glad to see it covered so I can compare it to the other stuff tested

[@FlyingwithSosa]

Just bought this filament and can't praise it enough. Hope this filament gets more traction as it should. This filament is incredibly strong and rigid while producing a production-level finish. Thank you for the review, and I look forward to your next videos!

[@MisterDeets]

I have used this product extensively. It's stiffness is not as high as PPA-CF, but it isn't too far behind. A phenomenal engineering grade filament at a bargain price. If you need metal like performance, PET-CF will not quite get you there. You need the PPA-CF instead. That being said, it is very good for the dollar spent.

[@garagecedric]

Thanks, always interesting with more high performance materials available! Maybe Try to get a spool of prusas new PPCF, looks very interesting, both chemically stable and high HDT, and reasonably priced.

[@RussianThunderrr]

-- Thank you for reviewing PET CF material. I also like how you made an explicitly point of two similar name materials, since many new to 3D word might not notice this difference. Thumbs up!

[@RussianThunderrr]

-- Also as an idea for a future video, as a new materials are coming out, it is probably a good idea to make a video where you compare different type of FMD filaments and explain what material properties are better used to which application/situations.

[@henninghoefer]

Thank you for an entire year of amazing quality videos. Wishing you and your family a merry christmas and great new year! (…and if you want to make your videos even better: True macro shots of the prints would be awesome. For example, when you showed the benchy, the camera focused more on your hands than on the print…)

[@marty4286]

I can't wait to see the results on the PAHT-CF Core, I hope it turns out to be an effective trick to retain layer adhesion

[@lukasmatzinger]

I'm also very interested in that one, hope Igor already has a sample on the way!

[@DrZylvon]

And surface details : will the fiber stay coated when printed..

[@ilKamuTube]

I finally see that the potential of these types of filament is starting to be understood, I hope this also happens for the glass fiber version.

[@GForceNuker]

Thanks for your good work! I love your filament tests!

[@atillathehung2000]

I may not need to see these test results for a technical reason, but holy shit have you saved me a lot of money by preventing me from buying a more exotic material with insane claims of strength and toughness at the same time. I know those two aren't mutually exclusive, but I also know that those two are typically not high values at the same time on one material. This isn't one of those times that you saved me money though. I was just gonna use some PLA pro from polymaker since I have it and wasn't worried even though I don't think it's a good material, but you just convinced me that my absolutely favorite resin brand may also now be my favorite filament brand and I need this PET-CF!!

[@SirTuxeh]

So happy to see a new My Tech Fun video! and just so you know, this was the first video shown for me on the youtube home page

[@dennish9543]

Well, that was unexpected. Unexpectedly great that is. Thank you for the thorough test!

[@eliteman125]

Awesome I am excited to watch this. I have been switching my functional prints from polymaker pa6-cf to polymaker PET-CF. I'm excited to see how siraya tech does, I have high hopes

[@PatriotPaulUSA]

Thanks for all the great testing you do. Amazing strength of this filament!

[@rcrdps8144]

I'll see you KZbin's ad rip-off. Looking forward to the comparison of the Siraya lineup. While I "only" have an X1C, I would ask that you run the hotter filaments in your Qidi with an "at x1c temps", and an "at higher than x1c temp" comparison. I often wonder how much Bambu is weakening their filaments to get them to run in their printer.

[@MrJofArnold]

280-300C is the correct range for non-amorphous PET-CF

[@rcrdps8144]

​ @MrJofArnold I’m more thinking of the comparison of PET vs PPA. His comparison against Bambu PPA showed lower adhesion for PPA. But another KZbinr did PPA at 300 degrees and no fan and the PPA won. So then you wonder where the upper limit is. Would be nice to graph it at several points like 290, 300, 310. And test higher if the graph shows promise.

[@MrJofArnold]

@@rcrdps8144 Gotcha. Unfortunately I'd not worked with PPA yet so can't add much further. I've a small amount of experience with ASA, ASA-CF and PETG but 99%+ of my prints have been with PET and PET-CF.

[@MrJofArnold]

Been printing with solely PET-CF the last two years. Love it. Only downside of than cost is the almost explosive failures when it breaks due to brittleness.

[@802Garage]

That temperature resistance is awesome! PET-CF seems like the new popular super filament to me. Lot of buzz amongst my 3D printing friends. It can be a bit finnicky, but not super hard to deal with. Siraya Tech filament also seems great. I actually emailed them about a data sheet and they responded promptly and told me they are working on new data for many of their filaments.

[@notyouraveragegoldenpotato]

PEG cf is really great stuff especially after annealing- which makes a large difference in the filament I like to use

[@avejst]

Great filament, GREAT video as always :-)

[@PolarisPilot]

I just got the Siraya ASA-GF and Fiberon PET-CF. Based on your testing of this PET-CF I am excited to see how it compares.

[@LordByronMacintosh]

thank you once more - an Oz fan!

[@chevrofreak]

I've been using this Siraya Tech PET-CF for a little while now, so it is nice being able to quantify why I like it. I look forward to the PPA-CF tests.

[@xManzi]

A man gives out table with collected experimental results of all the filaments that he tested and he said "this is the only gift that I give to my patreons", well, looks like someone is going to get new patreon then... P.S. Posjetim stranicu i vidim da pričate hrvatski 😂

[@MyTechFun]

Thank you for your support. Da, rodom sam iz Subotice.

[@lordwafflesthegreat]

Naravno, zašto me ne čudi😅. Bilo kako bilo, svaka čast, najbolji kanal za recenzije filamenata!

[@AkosLukacs42]

Yes, also glass fiber versions if possible!

[@jamieclarke321]

Great work as always

[@riba2233]

looks really good for the price, can't wait to see the test of polymaker pet-cf, thanks!

[@MyTechFun]

...and Qidi (PET-CF and PET-GF) soon

[@tomrechlicz9404]

Thank you for another informative video. I have been using Siriya PET-CF and Qidi PET-CF for several months. The main difference between the 2 filaments is that the Qidi filament contains 15% carbon fibers versus the 10% in the Siraya. Would like to know what effect this would have on the physical properties. I have printed c- clamps and vices with both and their strength seems similar. The Qidi seems to print a little smoother on screw faces and the edges of layers. Using a Bambu A1 or A1 mini They both print fine at 290-300 deg c with a textured bed plate set to 60-65 deg c with no glue stick. Even on small objects I have not needed any brim. Have seen no warping. Would like your expert opinions

[@Liberty4Ever]

Great video. I love your material testing but I *really* love your clear and concise data presentation. Siraya PET-CF seems ideal for an upcoming product that needs compression strength (probably analogous to the tensile strength shown in this video, without losing much of the excellent physical properties when heated. I just bought a kg on the popular online store for $37.49.

[@KingdomKulu]

Why is the temperature resistance of the Siraya Tech PET-CF so much higher than that of the PET-CF that you tested together with the PPA-CF a month ago?

[@joseangelfernandezesparza9551]

Great video and filament

[@slowcyclist4324]

This is the type of ageing that I aspire towards.

[@ExcitingCreations]

Excellent video once again! I am currently researching materials because I want to print a frame for a 5 inch autonomous drone (needs to be slow, steady). Originally I was considering nylon (PA12 CF > PA6 CF) but I decided it against it due to moisture absorption and creep issues. Then I turned to PP CF and PET CF, and the latter appears to be the optimal option (probably bambu PET CF), but impact resistance worries me. What's your recommendation?

[@Javii96]

I think you should give the PETcf a shot. It’s incredible stuff I think it will hold up really well as a drone frame with occasional crashes.

[@grott3n0lm]

Thx for your research! Can't wait to see the results of PAHT-CF! The PET-CF even compares quite good to PA-CF filaments in the spreadsheet in exception of the impact tests. It would have been nice, to hear about the ease of printig/ tendency to warp... Some manufacturers claim this as selling point for PET-CF. After having seen the PET-CF results i strongly consider buying it and maybe also the PAHT-CF, if it performs like expected.

[@3DThird]

Wow! This material is extremely impressive for the price. I wonder how it behaves for large prints (30cm~50cm)

[@starraider25]

I've read that the bambulab PET-CF resistance is 120 deg. raw, and 210 deg. annealed.

[@MyTechFun]

I read that too (from sensors 😂)

[@gingerdude94]

Impressive stuff

[@grott3n0lm]

I'm quite surprised about the differences in temp resistance between this PET-CF and the one from Bambulab despite the comparable mechanical results. In the last days i often compared the prices between manufacturers of filaments for materials with same designation. But now i think, i will maybe never trust i filament, that has not been tested by you, if i need specific technical properties.

[@V4SNIC]

Thanks a lot for this video! Impressive numbers for a good price point. More filaments which I would really like to see are. - Polymaker Fiberon PA 612- CF - Sunlu PA6 - CF Maybe you will get the chance to test them anytime.

[@MyTechFun]

Yes. All will get soon all Fiberon filaments and some tech filaments from Sunlu. Not sure if PA6CF will be between them

[@V4SNIC]

@ great news! Especially PA612-CF sounds like the best out of bending and strength. Thx for your effort! Literally the best on YT for this kind of reviews

[@TooBarFoo]

What is the dimensional accuracy like I see this is one or two of your videos but not all. This is quite a important quality most of us would be interested in. Thanks for all your videos. They are an invaluable source of information for those of interested in printing functional parts. .

[@MyTechFun]

The dimensional accuracy is great (thx to CF fibers). Only the surface is rough, this means, you cannot expect 0.01mm accuracy, surface roughness is bigger.

[@SippoCoffee]

quite the impressiv filament, can't wait to see how it compares to polymaker pet-cf as it is 5$ cheaper in my country and the ppa-cf (just 80$ here) as they might be the main competitors is there any chance you are going to test any pa12-cf or pa612-cf any time soon?

[@lockeboss502]

Great engineering filament. Does it even need an enclosure? Also did you ever test PET filament without the carbon fibers, I'm curious how it would perform

[@MyTechFun]

I found this for other brand: Enclosed printer is Recommended. Open frame printer: Capable, but Layer bonding of some prints may become low due to overcooling. I tried once, a frend give me some PET recycled from bottles. Not easy for printing without CF.

[@jasonh4534]

I am excited to see the PPA testing results. I picked some up from Amazon because it is not expensive. Only a third of what Bambu is charging. I got it for its strength and temp resistance. I need the part to be able to handle being near 230-250*C on a regular basis... By near, I mean about 20mm and not in direct contact, and near the high temps for several minutes at a time. Basically a component close to the part gets hot in use. The part needs to handle rough handling as well.

[@riba2233]

use PPS-cf for that

[@jasonh4534]

@riba2233 The question is... How tough it is? The printer requirements are out of my range right now. I can't handle the nozzle, bed or chamber temp required. From spec sheets, the heat deflection and glass transition temps are not better than PPA. So how tough it is, will be the factor that makes using it worth it. I don't need the chemical resistance, which is it's main claim to fame. The existing parts are PA66 GF, so PPA should work fine as a part I am attaching.

[@retromodernart4426]

Great filament for sure, how is the UV resistance of the Siraya PET CF?

[@riba2233]

have you ever let a plastic bottle in the sun?

[@retromodernart4426]

@@riba2233 Depends what kind of plastic bottle. And it doesn't matter, Siraya PET CF filament is specifically what I asked about, not a blow-molded plastic bottle whatever it's made of.

[@Khoomn]

I feel with the tests of these engineering filaments that have temp ranges above 300c, you should test them at their max temp for better properties.

[@rcrdps8144]

I like how CNCKitchen often does a couple extra runs for temp comparisons. Though I know that's a lot of extra work,....

[@bregbarega3717]

That temperature resistance was mindblowing :D And if i'm right it will print well on an open frame printer too?

[@riba2233]

Smaller pieces yeah, for larger you need warm chamber

[@TheChriss1301]

Igor, do you include the german audio or is this automatically done by KZbin? I‘d rather watch it with original audio. As always thanks for the test and keep up the good work!

[@MyTechFun]

It's an automatic new feature by KZbin.

[@baderalafghani4564]

Great video . Why you didn’t compare to other PET-CF filaments from other manufacturers

[@MyTechFun]

There will be 4 pet-cf review videos. Then comparison in one video.

[@baderalafghani4564]

@@MyTechFunthis is my favorite KZbin channel i always wait for new videos and when I want to decide which filament to buy I will always go and rewatch your videos . Great job man keep up 👍🏻👍🏻👍🏻👍🏻👍🏻

[@CarbonKevin]

Not sure why your videos aren't being recommended, I find them useful and informative. Maybe try asking for more comments and replies?

[@JMo268]

On the Bambu site, this PET-CF and their PA6-CF are approximately the same price. I haven't reference all your PA6-CF tests from the other video, but the Tensile strength test, the PA6-CF performed better. And the PA6-GF actually performed almost exactly the same for nearly half the price. I think there are other aspects I am no understanding that make PET-CF superior to these other two?

[@MyTechFun]

PET-CF is a great althernative.. Soon two more will be presented (Qidi PET-CF and PET-GF)

[@KToMmi]

We see that this filament is "Suggested" to use in an enclosure. Would you be wiling to test its printability and performance on an unenclosed printer (P1P or A1) to see if it warps even with the carbon fibers?

[@MyTechFun]

It is printable on A1 too, but it will have weaker layer adhesion. Probably I will test it soon (I will have two more PET-CF brands on the test).

[@KToMmi]

@@MyTechFun yes please! Comprehensive test on A1 with hardened steel nozzle!

[@Daan87423]

​@@MyTechFun please add PET-GF if you can!

[@tinkerman-q]

Very interesting. Think I am going to get it instead of the usual ABS-CF and maybe even replace nylon in circumstances where impact is not a concern. Still need to find a go to filament supplier in europe, to replace Eryone (treat customers very poorly, won't even cater for returns). Would be nice to see if you have recommendations. Gonna have a look around for local PET-CF at similar price point. Good work there. Still not a patreon though (hope I get less broke soon, then you will be the first).

[@Ethan-ve3kb]

Maybe I did something wrong but I printed some spool cradles for my sunlu S4 with pet-cf for the heat deflection. But set to 70c the hotspot in front of the heater in the s4 reaches around 85c and it softened and deformed in that area. Reprinted in abs-gf and its holding up. Main reason I got this pet-cf was for the temp resistance but I didn't have results like that.

[@dmitryplatonov]

Are you sure it's PET-CF and not PETG-CF? What brand?

[@Ethan-ve3kb]

@dmitryplatonov yes it was this exact stuff, Siraya pet cf, they don't sell petg I believe, or I haven't found any. Printed at 300c, parts were very hard to break but I didn't get the same heat resistance.

[@3dPrintingMillennial]

Did you print it with infill or solid? I'm guessing infill and maybe that's why you had deformation. Hope we can help figure it out together

[@Ethan-ve3kb]

@@3dPrintingMillennial 99 walls, it was a cradle that holds a spool up away from the heater. Which is why I chose this petcf.

[@3dPrintingMillennial]

@@Ethan-ve3kb is it a large part? Is it possible that these test pieces are being annealed (nature of the small size, hot bed, and hot nozzle) vs the cradle holder being a large part? Please note that I'm just helping to troubleshoot and I'm not being critical or questioning your knowledge. 🙂

[@StephanJPPL]

Another excellent video. PET-CF seems absolutely brilliant. Thanks for sharing. Will order a roll immediately. Many years ago I used Kevlar in a hobby project. Fantastic material that has different properties than carbon fiber. Has anyone come into contact with Kevlar reinforced filament?

[@riba2233]

kevlar is not nearly as stiff so it wouldn't work with chopped pieces like cf or gf. but take a look at Tullomer filament

[@StephanJPPL]

@ Yes, you are right but it has other qualities that is useful. When I used it I mixed Kevlar and carbon fiber for stiffness and strength (aircraft propeller). I will check Tullomer filament. Thanks for the tips.

[@pirobot668beta]

@@riba2233 I've been working with Tullomer...it's stiffness is comparable to aluminum of the same dimensions (100% infill). While it has some great properties, layer-to-layer adhesion is a major weakness. Excellent bending properties, falls apart if you apply a twist...the stuff 'delaminates' like a failed composite! The material is not isotropic...more like a bit of brittle Cedar...strong as hell in flexure, a butter-knife splits it lengthwise. Need a hot printer (325+ nozzle), hot-build plate (120-180C) and hot chamber (60+C). My X1C was barely up to the task. A more capable machine might do better? (No, I am not getting a K2 plus to find out...) I'm keeping my eye out for Tullomer II...

[@marcus3d]

How easy was it to print? Usually PET is way harder to print than PETG. And what about UV resistance, which can also be a problem with PET?

[@Daan87423]

PET-CF and PET-GF are imo the best overall engineering filaments due to price, low warping, high temperature resistance, strength, and ability to hide layers lines (glass-filled slightly better at it than carbon). You don't even need an enclosure

[@darthtater]

Did you print your samples with the 0.4mm nozzle?

[@MyTechFun]

0.4mm

[@henninghoefer]

6:20 it's not "zero" if you can hear an impact 😉

[@MyTechFun]

Oh, I forgot to remove the sound ;-)

[@thirtythreeeyes8624]

You should look into a cheap usb microscope for examining cross sections for fiber filament it would be interesting. Edit: I wonder if they shadow ban your videos because of the patreon plug I haven't seen a lot of videos mentioning it as often anymore and they have the "competing" members system.

[@abc121xyz]

Igor, can you provide your educated opinion regarding safety? my experience is with using QIDI PET-CF and after touching a broken tip in my palm I got a lot of fibers stuck under my skin, only visible with a microscope, I can not get rid of them, what if I start rubbing my eyes with my hands containing fibers, will they get stuck in my eyes too?, what if the filament or printed part gets handled by a child, what if I breath them? do printed parts shed fibers over time due to friction?, thanks in advance.

[@MyTechFun]

I don't have a detailed investigation so far, but analyzing the safety instructions, I found many similarities with the woodworking industry. I was talking more about this in my BL PA6 GF, CF video.

[@Qron88]

Shipping only to the US... I wrote to Siraya asking if it is possible to order to the EU.

[@MyTechFun]

My filaments I ordered from Amazon.com (Siraya will refund me later). They will arrive later in EU stores. (I am located in EU)

[@Athiril]

You should try cc3d's pbt pro gf

[@Jiri-Nemec]

Does anyone sell this filament in Europe? Alternatively, is there a similar material available in Europe? What about Bambu PET-CF?

[@riba2233]

He already tested bambu petcf

[@blackpete]

Wow, I used the abs gf for one of my printer builds, but that's so far above it, I'm considering to reprint everything 😂

[@vahvelpoiss]

they are shipping only to US, so its not at all available in EU then?

[@MyTechFun]

It will be. Mine I ordered from Amazon.com (Siraya refund me later)

[@jukkakasikasi6282]

Please test Bambus PAHT-CF

[@migueldias1873]

If only it performed a bit more isotropicly, I would buy it in a heartbeat

[@riba2233]

it probably can with some optimizations just like petg

[@Chinesejacklee]

Just bought two rolls at $79 AUD per roll delivered

[@josejimenez896]

No annealed test print tests? 😭😭😭 It's heat resistance should increase significantly after annealing! I would retry the test with more load after annealing :) and it's very easy to anneal!

[@riba2233]

it is already at 220c, it can't go higher.

[@josejimenez896]

@riba2233 more weight

[@starraider25]

I've read that the bambulab PET-CF resistance is 120 deg. raw, and 210 deg. annealed.

[@dragonkube]

For CF filament it would be nice to add measurements of air quality in chamber and macro photos of surfaces, given recent concerns with safety of such filaments.

[@riba2233]

there are no concerns

[@abc121xyz]

@@riba2233 yes there are, I used QIDI PET-CF and after touching a broken tip in my palm I got a lot of fibers stuck under my skin, only visible with a microscope, so, there are concerns, I can not get rid of them, what if I start rubbing my eyes, will they get stuck in my eyes too? what if I breath them? do printed parts shed fibers over time due to friction?

[@TheHuma0815]

The automatic youtube audio translation into german is really creepy 😂

[@MyTechFun]

I got many similar comments. Just for curiosity, can you disable it? If I can disable it on my side, should I do it?

[@TheHuma0815]

As im german It jumps to german by default, im not sure if I can disable it. But since i only watch your videos in english it doesnt bother me, i was just suprised. But i wouldnt disable it from your side - maybe some foreign people that are not very fluent in english can enjoy your videos better that way.

[@warmesuppe]

​@@MyTechFun The audio track can be disabled, but not the translation of the video description text.

[@Schyz]

I don't understand, PET-CF has great mechanical properties, it' has a good price, prints very well, it's not so problematic with humidity, it can take a lot of heat, it doesn't stink... isn't this the superior option for the hobbyist? Why would I choose ABS, ASA or PA instead of this for printing at home?

[@riba2233]

Abs and asa are still half the price or even lower. PA has some other better properties

[@tinkeringpoko]

That's without annealing🤯🤯🤯?! I don't think I will be buying PET-CF from bbl again😂

[@MyTechFun]

There will be two more PET-CF brands, then in one video 4 x PET-CF, the ultimate comparison :-)

[@tinkeringpoko]

@MyTechFun Which brands? I've read good things about Tinmorry's cf filaments but judged from their marketing materials they might just be Qidi's OEM.

[@Chinesejacklee]

@@MyTechFuncompare 4 pet cf, excellent idea!

[@meanman6992]

Anyone else try to fast forward past the countdown 😅

[@3dPrintingMillennial]

Why is Siraya able to sell this this so cheaply when Qidi, Priline, and everyone else sells it for at LEAST triple the price?

[@riba2233]

Not expensive, polymaker is the same price

[@3dPrintingMillennial]

@riba2233 Fiberon (Polymaker) is $50 per kg. Siraya is $40/kg.

[@riba2233]

@@3dPrintingMillennial ok I was talking about eu pricing but it's close enough let's say

[@3dPrintingMillennial]

@@riba2233 oh ok. Well that was kinda my question. Why is there such a large difference in prices? I know it can't be due to brand name only, right??? Is is due to tariffs, carbon fiber quantity, undeclared polymer blend.. what? I'm just curious that's all. Not argumentive. Not hating. Not meat riding. Etc. Truly just curious.

[@riba2233]

@@3dPrintingMillennial it is a good question yeah, I would say that most are just rebrand of fusrock oem, I just don't get why bambu costs as much

[@sabergum]

It might make it the oven at 212c but it will warp in a dishwasher. Just had to test it to see if it was dishwasher safe.

[@riba2233]

Was it annealed?

[@sabergum]

@@riba2233 No it was not. No info on the site how to anneal. Was not annealed in this video.

[@riba2233]

It's the same for all pet-cf filaments, it should definitely help

[@Thisdudechannel]

Try ezpc cf