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Strongest material printable with UM5S

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I need to produce a prototype (with an Ultimaker S5) that can withstand some serious mechanical stress. What is the strongest material that I can use for that? I am currently using "Tough PLA", but ideally I'd like something tougher. Much tougher, if possible...

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"Strong" or "tough" is a broad field... Can you explain the requirements or the use case a bit more detailed?


Are you asking for


- bending stiffness / flexing resistance / rigidity

- impact resistance

- abrasion resistance

- chemical resistance

- temperature resistance

- tensile strength / compression strength


or ...?


@gr5 did a lot of research and made an interactive sheet to compare printing materials: http://gr5.org/mat/


Here's the whole topic:




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Extremely interesting and totally useful, many thanks!!! Do I interpret the graphs correctly to conclude that transparent polycarbonate (UM filament) beats Tough PLA in terms of both strength and Young's modulus? However, it is surprising that the graphs shows "generic PLA" to be stronger than Tough PLA.

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