PETG-GF vs PETG-CF by Tinmorry: Is Glass Fiber Better Than Carbon Fiber? @MyTechFun
PETG-GF vs PETG-CF by Tinmorry: Is Glass Fiber Better Than Carbon Fiber?  @MyTechFun
Uploaded February 2025 | Updated September 2026, 2 weeks ago
PETG reinforced with glass fibers (PETG-GF) promises improved strength and durability, but how does it compare to PETG-CF? In this video, I put two different colors of PETG-GF to the test and compare the results with my previous PETG-CF tests. From layer adhesion to impact resistance, I evaluate their real-world performance across multiple mechanical tests.
Product page (not affiliate link): tinmorry.net/en-eu/collections/petg-gf
20% discount code for PETG-GF nine colors: W978BHXRW2RX
If you enjoy my work, please don't forget to like or share this video! Your support helps me keep testing and sharing valuable 3D printing insights. My Patreon supporters get exclusive access to an Excel table containing all my previous measurements, providing a comprehensive comparison of different materials and test results.
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Mentioned in the video:
PLA-CF annealing: youtu.be/5XOqUfmWhig
PETG-CF 3D printed on 290°C: youtu.be/Ha9TucaizPE
Tinmorry PLA-CF and PETG-CF review: youtu.be/ENTygRq73ZM
Tinmorry Github page: github.com/TINMORRY/TINMORRY-filament-profile

Chapters:
0:00 Introduction
1:26 About PETG-GF
2:19 Unboxing
4:00 Temperature-layer adhesion
6:30 Print settings
6:38 3D printing
7:48 Layer adhesion
8:00 Tensile test
8:26 Shear test
8:50 Torque (twist) test
9:27 Bending test
10:00 Impact test
10:25 Temperature test
10:52 Creep test
11:39 All results
12:01 Conclusions
Which fiber reinforcement performs better for your 3D printing needs? Watch the tests and let me know what you think in the comments!

#3DPrinting #PETGGF #PETGCF #GlassFiber #CarbonFiber #FilamentTest #tinmorry
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PETG-GF vs PETG-CF by Tinmorry: Is Glass Fiber Better Than Carbon Fiber?

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