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Thread: What paint finish most closely resembles LDPE?

  1. #1
    Associate Engineer
    Join Date
    Dec 2015
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    6

    What paint finish most closely resembles LDPE?

    Hello

    What paint finish most closely resembles smooth LDPE? (Low Density PolyEthylene)

    I have made some prototype using 3D Printing using SLS of Nylon 12 material (Fine Polyamide PA 2200).
    Apparently sintered Nylon sucks up paint surprisingly well. However I need a paint that has the mechanical properties of LDPE. In particular I need a paint finish that is slippery with a similarly low coefficient of friction.

    Any suggestions?

    J

  2. #2
    Associate Engineer
    Join Date
    Dec 2013
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    4
    So simple powder-coating won't cut it? I think the material used for powdercoating is some sort of polymer, like polyurethane or polyester. I've also seen things dip-coated in PVC and PE.

    So maybe you can get a part coated with polyethylene via the dip-coating of powder-coating methods.

  3. #3
    Lead Engineer Cake of Doom's Avatar
    Join Date
    Aug 2012
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    UK
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    417
    PTFE, PFA, FEP? It's going to depend on what you're specifying the coating for. Some of these don't play well at high temperatures.

  4. #4
    Associate Engineer
    Join Date
    Apr 2016
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    4
    I suggest you contact paint supplier who know better than an engineer here

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