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TPU covered with white powder substance
Hello
this is my first TPU: Sunlu 90A. It is covered with kind of white powder substance 🙂 
It is everywhere now - I mean Nextruder & inside of the nozzle. Is it normal? Or smth wrong?
Thanks
Posted : 27/12/2025 6:37 pm
It does look odd and I've not seen it on Sunlu before, I would expect it to build up in the extruder gears - contact Sunlu for advice, either via their website or, probably better, their facebook pages.
Cheerio,
Posted : 28/12/2025 12:37 pm