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PPA-CF vs PA6-CF?
(forum.guncadindex.com)
From all the research I've done, they're quite similar, however PA6-CF is the superior material
Elegoo Centauri Carbon, it's half the price of p1s, can print nylon out of the box as it comes with a hardened hotend, and has an enclosure for $299.99

PA6-CF reprint
Would you happen to have a link to your post?