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Thread: Clear Coat recommendation needed for 3D printed frames

  1. #1
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    Clear Coat recommendation needed for 3D printed frames

    Greetings, I've been 3D printing some frames you can download from glassesusa.com/3D. I'm printing them with a PA 12 (Nylon 12) MultiJet Fusion powder based system from HP. The frames come out a nice satin matte black finish and can be polished or tumble finished to a semi-gloss. I'm looking for a clear coat spray paint or dip coating to apply. Is there any "skin contact" safe material that is commonly used for this application?

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    Manuf. Lens Surface Treatments OptiBoard Gold Supporter
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    Blue Jumper Produce strong, functional, detailed complex parts...................................

    HP 3D High Reusability

    PA 12Strong, lowest cost,1 quality parts

    Produce strong, functional, detailed complex parts

    • Robust thermoplastic produces high-density parts with balanced property profiles and strong structures.

    • Provides excellent chemical resistance to oils,greases, aliphatic hydrocarbons, and alkalies.2

    •Ideal for complex assemblies, housings,enclosures, and watertight applications.

    • Biocompatibility certifications—meets USP Class I-VI and US FDA guidance for Intact Skin Surface Devices.3Q

    read all of it:
    http://h20195.www2.hp.com/v2/getpdf....A6-4895EEP.pdf
    Chris Ryser
    ________________________________________
    DLO. NA.IC.I.T.PO

    http://optochemicals.com............................. http://arcoatings.com

  3. #3
    Master OptiBoarder OptiBoard Silver Supporter
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    What about shellac? There are food-grade types of that.

  4. #4
    Manuf. Lens Surface Treatments OptiBoard Gold Supporter
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    Redhot Jumper new extruder design could 3D print plastic granulate AND natural resin Shellac.......

    Just found one that also uses Shellac:

    Studio Under's new extruder design could 3D print plastic granulate AND natural resin Shellac

    See at:

    http://www.3ders.org/articles/201501...lac-resin.html
    Chris Ryser
    ________________________________________
    DLO. NA.IC.I.T.PO

    http://optochemicals.com............................. http://arcoatings.com

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