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For questions about the acetone chemical - a chemical used to assist with finishing and smoothing 3D prints.

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How does acetone "rejuvenate" PEI?

The Prusa3d knowledge base mentions that acetone will "rejuvenate" PEI in addition to cleaning oil and grease from the surface. … However, if you use acetone every day, PEI will become brittle and start cracking. From a chemical or physical perspective, how does acetone affect the PEI surface? …
Mark Harrison's user avatar