YXPolyer PC-CF (PolyCarbonate) and Nylon-CF15 are strong technical filaments. They require enclosure and hardened nozzle, but the final result is really strong object.
Product links to Amazon.com and Amazon.de (not affiliate):
https://www.amazon.com/dp/B0B56GNX6T
https://www.amazon.com/dp/B0CP57NM2N
https://www.amazon.de/dp/B0BJTC6BZW
https://www.amazon.de/dp/B0CFVCNNPP

3D printer used in the video: BambuLab X1C: https://shrsl.com/4ef2v
Results you can download from: https://www.mytechfun.com/video/350
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Patreon supporters have access to summary table with results from earlier videos.
  / mytechfun  

Chapters:
0:00 Introduction, specifications
2:11 PC-CF 3D printing
4:16 PA-CF15 3D printing
6:44 Tensile test
7:08 Layer adhesion test
7:30 Shear test
7:48 Twist test
8:17 Bending test
8:54 Creep test
9:54 Impact test
11:18 Temperature test
12:18 Results
14:32 Conclusions

#3dprinting #yxpolyer #polycarbonate #nylon