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Any suggestions for matte, sandable material?


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Posted · Any suggestions for matte, sandable material?

Hi Guys,

Just a quick question here, all suggestions are welcome. I like to print with PLA and PET (or XT/NGEN from colorfabb) because it's easy to print with. However I also like the more matte look ABS parts and how easy it is to sand afterwards with waterproof sanding paper. Shrinkage is not really issue for the parts I'm printing now, because it are small parts. Layer bonding however is an issue in ABS and because the parts are used in a functional prototype this is critical. Currently I'm printing ABS with 100% infill and 0.6 mm nozzle and the parts are really strong, layer bonding seems to be sufficient but it takes a lot of time. For future products an other material would be nice.

So the question, what material has the following specifications:

- matte look

- easy to sand

- suitable for functional, mechanical parts

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    Posted (edited) · Any suggestions for matte, sandable material?

    PolyMaker PC-Max

     

    Really is matte? Interesting.

    Edit: Oh just white and black, I'll stay with greentec, has a cheaper kilo/ratio. I suppose since is PC it might be harder?

    Edited by Guest
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    Posted · Any suggestions for matte, sandable material?

    I've read that PC-Plus is more shinny and PC-Max is more matte (I have only tested myself the PC-Max).

    Indeed only black and white, very good mechanical properties, but not necessarily easy to print (there is a thread somewhere here)

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    Posted · Any suggestions for matte, sandable material?

    In my experience, white PLA is often easier to sand than other colors.

    I am not sure why, maybe because it requires a lot of filler particles to get a really white and opaque look? ColorFabb filament is a bit more fibrous (if that is an existing word? - showing more fibres when sanding). On the other hand, ICE filament (distributed by Trideus in Belgium) is a bit more brittle and sands more into fine powder.

    When printed fresh, both have a satin gloss look, but after sanding of course, it gets as matte as you want.

    Disadvantage of white is that you see every spec of dirt on it. Especially when grinding it with a file or sandpaper that still has colored particles from previous colored filaments in it.

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    Posted · Any suggestions for matte, sandable material?

    I will have a look into the Polymaker PC-MAX. Any thoughts on HIPS??

    +1 regarding the sandability of white PLA, I noticed that it is a bit easier to sand than natural PLA/PHA from Colorfabb or black PLA

    @ neotko: is this the greentec you are talking about?? https://extrudr.eu/products/copy-of-extrudr-green-tec-white?variant=15898525254

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    Posted · Any suggestions for matte, sandable material?

    I will have a look into the Polymaker PC-MAX. Any thoughts on HIPS??

    +1 regarding the sandability of white PLA, I noticed that it is a bit easier to sand than natural PLA/PHA from Colorfabb or black PLA

    @ neotko: is this the greentec you are talking about?? https://extrudr.eu/products/copy-of-extrudr-green-tec-white?variant=15898525254

     

    Yea sorry forgot to actually put the links

    http://www.two-bears.eu/ BioFila Pla-Tec

    https://extrudr.eu/collections/bdp

    Extrudr is actually cheaper than bioFila, but I thing BioFila does print a bit more rigid than Green-Tec. Both can be sanded very very very fast. Compared to Pla is 1/10 of the time. Also since resist higher temperatures (110C) you can actually sand it fast without worries about how much heat is the friction doing on the plastic. Ofc I always sand them by hand. Also if you do a light sanding you can get Eco friendly sprays to stick to it without a primer (I use water based spray inks for some of my stuff).

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    Posted · Any suggestions for matte, sandable material?

    these are great for sanding the irregular surfaces, with normal PLA, beware of speed/heat. Available in different numbers (fine/course), I like the yellow.

    5a3327c8a9f35_2015-04-0613_57_36.thumb.jpg.c1fb96123e543f84d6fde1b812292db6.jpg

    5a3327c8a9f35_2015-04-0613_57_36.thumb.jpg.c1fb96123e543f84d6fde1b812292db6.jpg

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