Effects of Humidity

  • Participant
    michael101 on #1754


    I have read elsewhere that print filaments of certain types are susceptible to humidity. Which all filaments are susceptible to humidity and what are the after effects of exposure? What can be done to prevent it?

    Genie on #1844

    Hi Michael

    Plastics tend to absorb moisture when exposed for certain period of time at a certain temperature. Hence the absorptivity of each plastic differs based on its content, ambient temperature and ambient humidity.

    So one need not fear an immediate damage to a spool left open on a rack. The after effects of prolonged exposure to include discoloration and brittleness. This varies from material to material. Similarly absorptivity of moisture too varies.

    To prevent this situation, you can always keep the filaments in glass enclosed racks where the environment is controlled. One can also put a back of desiccant which would in turn absorb moisture.

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