vault backup: 2025-05-06 21:05:10
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@ -229,4 +229,23 @@ POM is most commonly used when CNCing plastic.
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- Hydrophobic
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- Most important because of its chemical resistance.
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- Fairly expensive
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- When mildly overheated, turns into horribly toxic chemicals (carbon monoxide, )
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- When mildly overheated, turns into horribly toxic chemicals (carbon monoxide, hydrogen cyanide, hydrofluoric acid, even more)
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# PEEK (Poly-ether Ether Ketone)
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- Mechanical properties massively beyond other plastics
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- Close to steel
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- Twice as tough as the toughest polycarbonate
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- Used in missiles and is fireproof
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- $700 a kilo (at the time of writing)
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- Prints at 400C
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- Requires a 140C heated chamber
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- Extremely high water retention
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- Special bed adhesive required
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- Difficult to print
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# PEKK (Polyether Ketone Ketone)
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Same building blocks as PEEK, in different levels
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- Worse than PEEK mechanically, still far beyond other filaments
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- Much easier to print compared to PEEK
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# PPS (Polyphenylene Sulphide)
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