david.t28
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Resin vs Filament Strength

Jan 08, 2019 12:54 am

When you compare the finished product with one made of resin and one from filament what characteristic differences/benefits are there besides smoothness? Just curious.

1. Strength
2. Affects of leaving the object in the sun or other hot location.
3. Cracking, discoloration when weathered.

edward.l7
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Re: Resin vs Filament Strength

Jan 13, 2019 7:13 am

I believe there is reluctance to answer this because it's an extremely loaded question. In both filament printing and resin printing, the physical properties of the printed results has much more to do with the specific material you are talking about. There are different resins, just like there are different filament. Even with respect to "strength", what kind of strength are you talking about?

For the sake of a way oversimplified answer, I will say you should generally expect the most popular resins to be more brittle. They are also still susceptible to UV of you don't coat them in something protective.

Having said that, research the specific resins that fit your needs. There are hard resins, rubber-like resins, etc. They even have resins that can be fired in a kiln to create ceramics. I don't know at this time which resins will work well with this printer since it is not out, but because of the similar qualities, you should expect similar resin compatibility as the anycubic photon. So that might be a good place to start in your research.

hamza.b
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Re: Resin vs Filament Strength

Feb 02, 2019 12:37 pm

All i know that majority of UV resins are brittle, tho, Formlabs and Peopoly got some neat tough resins, but not quite sure if they will work on SL1 at all, since they are made for laser SLA printers.

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3Delight
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Re: Resin vs Filament Strength

Feb 10, 2019 6:01 pm

hamza.b wrote:
Feb 02, 2019 12:37 pm
All i know that majority of UV resins are brittle, tho, Formlabs and Peopoly got some neat tough resins, but not quite sure if they will work on SL1 at all, since they are made for laser SLA printers.
That's what my internet research so far has suggested too, and is why I've not bought an SLA printer, they seem to be more designed for printing things just to do quick checks of design rather than lasting parts or models. This seems especially true if you don't IPA wash and UV cure them!

hdhc
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Re: Resin vs Filament Strength

Feb 11, 2019 4:49 pm

I feel like 3d printing is somewhat of a specialty market in any form but SLA is even more specialty. I see the level of detail that can be achieved as the primary motivation for it. Now I'm not super sure about strength and if that is as much of a factor for those seeking the detail. Also due to the fact that this type of 3d printing hasn't been as widely used by the general public I feel like this technology will continue to find new types of resins and continue to develop, just as the FDM market has come out with new types of filament over time.
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