NX2 is different than GreenTec
In my own experience, on UM2 hotends (never used on um3)
- Very low viscosity. You can actually retract the filament (visible effect). Very impressive low drip, good for highspeed and low speed.
- Needs bed at 70C for perfect adhesion, for really big plate objects or fan intensive on small areas I use some normal hairspray (I use 2 hairsprays for woman one is Normal and the other is Strong). And to unstick it I turn the fans on and drop some windowasher drops around or isopropyl alcohol.
- It goes white-ish for the colored ones, so I sand it and use a lighter to recover the color if I need to remove small imperfections.
- It doesn't allow simulating nozzle size lower than 0.32 with a 0.4 nozzle, with normal PLA I can go down to 0.28 max (balancing mm3/s to keep the flow and avoid errors)
- Filament size spool it's quite constant, better than greentec. GreenTec can fluctuate 0.04 easily on the same meter (specially black white and grey ones, but blue for me is very precise followed closely by red). NX2 fluctuations are near 0.02 on the same meter, so there's less errors.
- It has slightly higher temperature resistance than PLA, around 5-10C. Easily tested with atomic pulls that need higher temperature to get them perfectly out.
So. IMO is a very good material, great matte colors and very easy to sand (very fast also) and it has higher flexibility than PLA, so it can resist better impacts, but also it can deform after bending it too much, while PLA would just snap.
Edited by Guest- 2
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ultiarjan 1,223
Have not tried this one (maybe @neotko did) but I really like the GreenTEC
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