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DidierKlein

Orbi-Tech filaments for UM2?

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This is the answer i received:

 

Hello Didier,

thank you for your letter, our filaments with a nominal diamter of 3 mm are set to ~ 2.85 mm, the diameter will fit to your printer.

Nylon has to be dried, with hot air in a oven, at ~ 85 °C for two-three hours before printing.

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I've tested PLA90 and SmartABS (natural). Both are around 2.85mm diameter.

PLA90 is the worst material I've ever printed with. It feels like it contains chalk or something similar. Printed parts are very weak and flexible (but not "flexible" as in "elastic", instead you can just bend and break the stuff easily), and the PLA oozes everywhere during printing.

It's completely useless for making 3D-printer parts (like hotends, mounts, slider blocks or something) because it's just too unstable, not rigid, and deforms too easily. The fact that it resists 90°C becomes a joke when it doesn't resist any kind of mechanical strain in the first place...

SmartABS is actually pretty cool. It's quite strong and easy to print, however I will replace it by Colorfabb XT in the future.

Since price is premium (ABS is supposed to be cheap...), there are certainly much better alternatives on the market...

/edit:

I also have BendLay and Laybrick somewhere. Printed BendLay only once, but it was before I had a heated bed. BendLay is very flexible, but the part I printed had very bad layer cohesion. Could be that this was due to the lack of having a heated bed / heated chamber, but that's what I noticed.

I'll prefer Colorfabb XT over BendLay in the future. XT is about 10% cheaper, very STRONG and prints easily.

Never printed Laybrick before, but I've heard only good things about it. Except it's ridiculously overpriced and therefore hardly worth it's price for everyday printing.

So, all in all:

I wouldn't buy from Orbi-Tech, because their filaments are simply too expensive for what they're worth. There are good alternatives around, you just have to find the right ones.

Try Colorfabb XT for example. You'll forget about most other filaments once you've tried it ;)

 

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