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If I look at what chemicals are resistant to 25% ammonia: PET(G) / NGEN / CPE, PP and ABS/ASA seem to work reasonably. Materials to avoid are PLA, PC and Nylons.
I guess your safest bet might be PP or a PVDF filament like the one from Solvay. Alternatively, if your printed part is very complex / prone to warping a copolyester like PET(G).
By the way, you can also look into general material properties (outside of FDM) for amine resistance, in principle that shouldn't change with the processing technique (the chemical resistance comes from the material anyway).
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TimonR 21
Hi Justin,
If you look in this paper
https://www.sciencedirect.com/science/article/abs/pii/S2214860418303476 (unfortunately not open access but there is an amine - ammonia which they tested on different filaments).
If I look at what chemicals are resistant to 25% ammonia: PET(G) / NGEN / CPE, PP and ABS/ASA seem to work reasonably. Materials to avoid are PLA, PC and Nylons.
I guess your safest bet might be PP or a PVDF filament like the one from Solvay. Alternatively, if your printed part is very complex / prone to warping a copolyester like PET(G).
By the way, you can also look into general material properties (outside of FDM) for amine resistance, in principle that shouldn't change with the processing technique (the chemical resistance comes from the material anyway).
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JustinLind 1
Thanks @TimonR! Many of the individual suppliers have been suggesting PP as well. I think I'll just need to try a few.
Thank you for recommendation to look into general material properties outside of the FDM world. Great idea!
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