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UV Curing in Bright Sunlight...Question

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  • UV Curing in Bright Sunlight...Question

    Hi, everyone - I'm thinking of some projects where I could build up a few coats of resin on a flat surface for both appearance and some improved surface quality. This might be foam board, very thin MDF, ply, etc. The size could be up to 3 to 4-ft. square.

    What I am wondering is - if I brushed or rolled a layer of liquid resin on a flat surface like that and exposed it to bright sunlight, would it cure effectively? I might expect it to take a little longer than straight UV light, but any reasonable amount of time would be helpful.

  • #2
    The urethane or epoxy resin I know about is chemically cured and heat helps it cure faster.
    Matt B
    So. In
    Crashers

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    • #3
      To be more specific, I am asking about the types of resin that are used in 3D printing.

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      • #4
        Yes, UV resin cures no problem at all in the sun, it's the best source of free UV in the Solar System
        Kevan - Isle of Man
        Life is like a box of Slot cars...🚓🚗🚚🚜

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        • #5
          ...try it, 5 mins, 15 mins, half an hour. I left a 3D resin bodyshell I'd brushed UV resin on the windowsill for an hour or so, it cured great...I don't know whether it took a couple of minutes or when it was cured because I forgot about it but 5 mins will see results.
          Kevan - Isle of Man
          Life is like a box of Slot cars...🚓🚗🚚🚜

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