PETG-CF at home: how concerned should we really be about carbon fiber exposure
Hi everyone,
I’m currently printing a fairly large airsoft carbine kit using SUNLU PETG-CF in an enclosed printer.
The more I read about carbon fiber reinforced filaments, the more conflicting information I find. Some people say PETG-CF is perfectly fine with basic ventilation, while others compare carbon fiber dust to asbestos-like fibers and recommend extreme caution.
I understand that sanding, grinding and machining CF-filled parts can generate dust and should be treated differently from normal printing.
My questions are:
Do you take any special precautions when printing PETG-CF at home?
Do you clean your enclosure regularly after CF prints?
Have you seen any reliable studies regarding airborne carbon fibers released during printing (not machining)?
Do you treat finished PETG-CF parts differently from standard PETG parts?
What are your thoughts on long-term exposure for hobbyists printing CF filaments a few times per month?
I’m not looking for opinions based on fear or marketing, but rather real-world experience and scientific sources.
Thanks!