this post was submitted on 20 Oct 2025
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hey all.. wanted to get you take/opinion on pa6-cf20 vs pa6-cf12? I'd think going with cf20 would be optimal for 2a prints, but could be wrong.. figured Id throw it out there..

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[โ€“] Kopsis 4 points 1 month ago

You can't make any conclusions just from the fill percentage. Differences in the polymer formulation will likely outweigh everything else. Given the exact same formulation, you would expect the CF20 to be stiffer, more brittle, and have worse layer adhesion. But it's never really apples to apples, so look at the TDS and independent test results.

[โ€“] confuzled 1 points 1 month ago

as Kopsis pointed out, the only real comparison that makes sense is the TDS.