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Polymaker Fiberon Blue PET-GF15 3D Printer Filament 1.75mm 1KG, 15% Glass Fiber Reinforced, High Strength & Heat Resistance, Ideal for Automotive, Industrial & Functional Parts, AMS Compatible

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Color: 123 - 1.75mm Fiberon Pet-gf15 Blue 1kg (Hex Code: #6e9eff)


Size: PET


Features

  • Industrial-Grade Strength: Reinforced with 15% glass fiber for superior rigidity and integrity; delivers 104 MPa bending strength and 4.1 GPa Young's modulus (XY) for highly durable parts.
  • High Heat Resistance: Withstands up to 133 C HDT @ 0.45 MPa after annealing; ideal for automotive parts, electronic housings, industrial components and jigs and fixtures.
  • Easy to Print: Excellent toughness and resists brittleness; prints up to 250 mm/s with minimal warping and excellent layer adhesion; supports multi material systems like AMS and MMU.
  • Exceptional Surface Finish: Produces a smooth, low-roughness texture that hides layer lines and delivers a clean, professional surface straight off the printer.
  • Hardened Nozzle Required: Fiberon filaments contain fibers that accelerate wear on standard brass nozzles; use hardened steel or ruby nozzles to extend lifespan.
  • Tangle-Free & Moisture Free: Precision-wound spool ensures smooth, jam-free feeding from start to finish; vacuum-sealed packaging keeps filament dry for reliable results every time.
  • Upgraded Packaging: Fiberon is packaged with sustainable cardboard spools and boxes; The spool's hardened edge prevents protects against deformation and delamination.

Description

Reinforced with 15% glass fiber for superior rigidity and integrity; delivers 104 MPa bending strength and 4.1 GPa Young's modulus (XY) for highly durable parts. Nozzle Temperature: 280-310°C Build Plate Temperature: 70-80°C Printing Speed: Up to 250mm/s HDT(°C) @0.45 MPa: 134 Bending modulus (X-Y) (MPa): 3705 Fiberon PET-GF15 Fiberon PET-CF17 Fiberon PPS-CF10 Fiberon PPS-GF20 Fiberon PETG-RCF08 Fiberon PETG-ESD Fiberon PA6-GF25

Brand: Polymaker


Material: Polyethylene Terephthalate


Color: 123 - 1.75mm Fiberon Pet-gf15 Blue 1kg (Hex Code #6e9eff)


Item Weight: 1 Kilograms


Item Diameter: 1.75 Millimeters


Brand Name: Polymaker


Manufacturer Part Number: FL02006


Manufacturer: Polymaker


Warranty Description: /


Item Weight: 1 Kilograms


Item Diameter: 1.75 Millimeters


Material Type: Polyethylene Terephthalate


Color: 123 - 1.75mm Fiberon Pet-gf15 Blue 1kg (Hex Code #6e9eff)


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If you place your order now, the estimated arrival date for this product is: within 30 days

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Top Amazon Reviews


  • STIFF, good z-layer, anneal to get 100C (+) items, rough like sandpaper.
Prints very easily in my P1S (no heated chamber). Prints look good and feel extremely stiff. Has a rough surface, like 1000 grit sandpaper. Gives the impression of being ridiculously strong due to the stiffnesss. And it is easily as strong as the strongest PLA. Printing slow at 300C, with 50C chamber, the parts seem to have very good z-layer strength too. z-layer probably more than 75% of the x-y. Can confirm that if you anneal this stuff remains sturdy up to 100C. ... show more
Reviewed in the United States on May 27, 2026 by Benjamin Russo

  • Hands down THE BEST exotic / high strength / high spec 3D filament out there!
Color: 111 - 1.75mm Fiberon Pet-gf15 Black 1kg ... Size: PET
Wow. This filament literally blows me away every time I use it..! I’ve used PAHT-CF filament before, direct from Bambu, and it cost twice as much, and was HORRIBLE to work with. I am getting consistent results, time after time, first attempts successful, excellent layer adhesion and detail! The textured finish is amazing, looks pro, hides layer lines. It does require a good amount of drying before use, so you need to plan ahead, but this is HANDS DOWN THE BEST exotic, high strength 3D printing filament I have ever used. I have 3 printers, all with hardened steel extenders and nozzles, and I run my machines over 5,000 hours per year. I print A LOT. Just saying. This filament blows me away! I’ve also used successfully with generic PA support interface material. It does not stick AT ALL post print, removes clean.. allows for very challenging prints with no hassle and beautiful results even where support is needed (no scarring) ... show more
Reviewed in the United States on January 14, 2026 by William

  • I think I'm in love
Color: 111 - 1.75mm Fiberon Pet-gf15 Black 1kg ... Size: PET
I work with 3D printers professionally, and own a Prusa COREONE myself. I think this is my favorite filament. Funny thing, I didn't read quite well enough and thought this was PETG, not PET. But after working that out and adjusting settings accordingly, this stuff prints like a dream. In fact, I *prefer* it to my PETG filament, by a lot. The parts it produces are not only crazy strong, they also look damn good. It's a bit pricier than normal PETG, I don't care. It's worth it. Do note, I did hear speak of issues with warping when comparing PET to PETG. I have not had any issue with that. In fact, despite the fact that I'm using a crappy 3rd party textured build plate and no adhesive, this stuff seems to have better adhesion than my normal PETG. However, it is worth noting my printer is also enclosed. (Though I don't have the chamber heater active.) I also am running a hardened steel nozzle per recommendation. All in all, an excellent, high quality filament. I only wish it came in more colors. ... show more
Reviewed in the United States on May 9, 2026 by Taira

  • Truly Impressed, Outstanding Results! Truly Impressed, Outstanding Results!
Color: 111 - 1.75mm Fiberon Pet-cf17 Black 0.5k... Size: PET
First off I needed a rush order for a client of Black PA6-GF originally but Bambu Lab takes sometime to get so while I wait I figured I can try this out. I’m seriously impressed, not only did it adhere solid and strong to a G10 plate even with releasing adhesive. But it’s seamless on the layer adhesion and rigid AF! I love Bambu Lab PAHT-HF but it’s a pain if you don’t have perfect chamber temps and has very potent fumes. This PET-CF17 didn’t have nearly as much but still you need filtering. I downloaded their Bambu print profile and sent it! Worked first try with a 40c chamber, 75c Bed temp, 300c nozzle (Modded X1C with Panda Revo 0.4mm ObXidian) no AUX fan and printed flawless with ZERO WARPING! I don’t think I even needed a brim honestly. It’s extremely brittle! So be careful with loading and make sure to have smooth transitions in the PTFE lines. I had this loaded in the AMS as well and had zero issues! The texture on the surface finish is astounding and feels just like the competition. For only 500g’s I’m pretty happy about this product and definitely hope polymaker releases some other color options with their Fiberon Line. I wanted PA6-GF but it’s only available here in gray… I was hesitant trying this but it’s going to be a solid go-to option from now on! I think I’m going to buy the PPS-CF20 next! Trust PolyMaker they’ve been in the game long enough!! ... show more
Reviewed in the United States on August 27, 2024 Reviewed in the United States on August 27, 2024 by Cody

  • This is the best PET-CF on the market
Color: 111 - 1.75mm Fiberon Pet-cf17 Black 0.5k... Size: PET
This is BY FAR my favorite brand of PET-CF. Very easy to print, none of the 20+ rolls I've purchased have ever tangled, extremely strong parts and layer adhesion. If you have a dialed in printer you can almost make the layer lines invisible. So it looks amazing in the satin black. If you're looking at other PET-CF, I guarantee you this is the best brand of commercially available stuff. Only complaint is I with it was 1kg rolls. Oh and virtually ZERO nozzle clogs that weren't self inflicted. Most other PET-CF clogs in 0.4mm nozzles, this stuff will wear out you nozzle before it clogs (if you have the temps & settings dialed in) ... show more
Reviewed in the United States on February 13, 2026 by T

  • Easy to print with, tough as nails
Color: 117 - 1.75mm Fiberon Pet-gf15 Red 1kg (H... Size: PET
This filament has been a legitimate game changer. Tougher and less fussy than ABS, sticks to the bed better than PLA (at least with my setup (anycubic kobra s1 with Biqu Glacier plate)) It DOES have a habit of curling/fringing slightly on more prevalent overhangs, but adding extra support definitely helps It's wonderful, and absolutely worth the price bump. Color was a touch more dull than the photo shows, but i didn't really choose it for the color anyway. As of this moment, this filament will be in my constant rotation for engineering filaments. ... show more
Reviewed in the United States on April 4, 2026 by Violet H.

  • Light, strong, chemical resistant. Light, strong, chemical resistant.
Color: 111 - 1.75mm Fiberon Pet-gf15 Black 1kg ... Size: PET
You can really print functional working parts with this stuff. Prints hot enough it won't get soft even on my VW motor. I needed something strong to hold my intake manifold up with. It resists fuel based on my overnight soaking experiment as well. Fairly easy to print with. Not brittle, I can't crush a 3mm thick circle with a pair of pliers. ... show more
Reviewed in the United States on May 30, 2026 Reviewed in the United States on May 30, 2026 by Garry J. Iman

  • Expensive - Not Available in 1kg spools
Color: 111 - 1.75mm Fiberon Pet-cf17 Black 0.5k... Size: PET
Great quality. This stuff is expensive, if they offered 1kg spools, I would be a lot more inclined to purchase more often. Moving to PA12 CF to replace this as it ends up not being that much more expensive per KG and is more convenient.
Reviewed in the United States on July 19, 2025 by Amazon Customer

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