Roll was dried prior to running these tests.
I started with standard BB PET-CF profile and ran a test block, followed up with incremental changes to the wall speed, print temp, bed temp, cooling. I changed one parameter at a time, then compounded the changes, regardless all the test blocks look the same.
@johnfcooley Thanks for the reply.
So drying helped? I dried it for 15hours/ 70c since thats all my drier will reach with very little change in weight… Maybe I need to dry more.
Regardless, thats a lot just to get decent quality. BB PET CF was spot on, I am thinking to just pay the extra cost and have a filament I know works.
I can’t speak for PET, that’s outta my wheelhouse. If their TPU is anything to go by it will help. Although sounds like you’ve already dried as much as I dried it.
They have a good name in resin, so you’d think they could manage filament. Maybe not. I would stick with BL.
The high temp materials are very difficult to dry with normal filament dryers. If you do the math on it, the dry times needed for some PA’s, PPS, PETs, PPA’s, etc, is enormous for dryers that can’t reach 80C for particularly wet filament. Depending how wet, it could take days, to get enough moisture out at 60C (normal drying temp). At 70C, its still a significant amount of time higher than the suggested time at 80C or 100C. The good news, most companies manage this relatively well so you shouldn’t have to do the marathon dries, but on occasion, you will run in to this problem.
This is why it is super important that the manufacturers manage moisture well. Its not reasonable to keep things perfect for 100% out of bag printing, but keeping the moisture low enough to be easily dried out is particularly useful for these high temp materials.
Might not look that fantastic, but according to "my tech fun"s test, this is a fantastic filament, layer strength is really, really good at 45,8 KG break load (same as BL pet-gf).
If you need mechanical parts that need to be very strong, heat resistance and no fumes that’ll kill you, for me this is the goto filament.
I think it has a higher carbon content which makes it less look good compared to BL pet-cf.
I am unable to even run this filament currently on my X1C. I’ve tried various nozzle temps above the minimum recommended, and I can’t get it to extrude. It’s pretty high-tension when pulling the filament back out of the machine so maybe it’s something to do with that
