Important Plastic Information


About Plastic Filament

Nylon and Onyx are very susceptible to absorbing moisture. Plastic filament that has absorbed too much moisture will cause a number of printing issues, such as failed prints, underextrusion, holes in the roof of parts, etc. Please take special care to NEVER leave plastic exposed to ambient air, and ALWAYS keep plastic in the provided drybox.

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Tips to Avoid Ruining Plastic Filament

    • NEVER leave a plastic spool exposed to ambient atmosphere.
    • DO NOT open a plastic spool bag until you are ready to use it.
    • Make sure that your drybox is FULLY latched and closed.
    • DO NOT open the drybox unless absolutely necessary. If the drybox must be opened, make sure to minimize the exposure time.
    • If you plan on leaving your printer unused for an extended period of time, keep the spool in the drybox with the filament loaded in the printer. The drybox and desiccant packs do a good job protecting from moisture, and drybox-stored material should last up to a year before the water content becomes too high for printing. When restarting a machine after a long idle period, run the Wet Plastic Purge utility until it stops steaming (which may take 2-3 runs).
    • Inspect bags containing plastic filament for any holes or tears prior to using.
    • When changing spools, always discard any old desiccant packs and replace them with the most recently provided desiccant packs.
    • If you are planning to travel with your printer, unload plastic from the printer, remove the plastic feed tube from the drybox, and use the red drybox adapter plug from the accessory kit to seal the drybox.


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