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Thread: drying parameters for technomelt PA 638

  1. #1
    Join Date
    Oct 2020
    Posts
    18

    drying parameters for technomelt PA 638

    hello All,

    Please I need your help to define drying parameters for Technomelt pa 638 because I face a bubbles issue on the material.
    N.B :
    Current parameters 50C/6 hours.
    Low-pressure injection.

    Best Regards
    Attached Thumbnails Attached Thumbnails ce6ca177-a478-4141-a6b2-9e15e2fbd2af.jpg  

  2. #2
    Join Date
    Aug 2011
    Location
    Upstate of South Carolina
    Posts
    701

    Re: drying parameters for technomelt PA 638

    I looked the resin up and it says NOTHING about drying it!? It tells you to place it in an airtight container ASAP when opening the packaging.
    I did notice that this resin carries a FR rating. Perhaps you have the barrel set too hot or the residence time is too long?
    Rick

  3. #3
    Join Date
    Oct 2020
    Posts
    18

    Re: drying parameters for technomelt PA 638

    thank you for your feedback, i will check this.

  4. #4
    Join Date
    Jun 2014
    Location
    EU
    Posts
    122

    Re: drying parameters for technomelt PA 638

    Hi,
    Rick is probably right, this seems like process temperature setup in the IM - not drying.

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