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Need Recommendations for UV-Resistant Clear Epoxy Resin

Sydney CurrySydney Curry ✭
in How To Make Eyes For Puppets, Masks, & Makeups
I plan to use a servo-driven eye mechanism in the head of my cable-controlled animatronic Chucky Doll and the parts are going to be 3D-printed, and I've been trying to prepare ahead and find ways to prevent UV-yellowing on the eyes' clear coating. Does anyone have any personal recommendations/suggestions on what product to use as a anti-yellowing additive for the epoxy coating? 

Comments

  • Chris EllerbyChris Ellerby Admin
    I'm not aware of any additive that will prevent a resin from yellowing.  You can add a small amount of pigment to the resin to color-adjust the yellowing to make it less obvious, or find a resin that does not yellow as much over time.  

    I would start with looking for resins that resist yellowing, like Smooth-On's Crystal Clear.  That said, many resins are formulated to resist yellowing, but yellowing can still happen with prolonged UV exposure, so limiting exposure is advised when possible.

    /Chris
  • Sydney CurrySydney Curry ✭
    edited July 12
    I had learned with a 2-to-3-day-ago recent realization that aerosol Rust-Oleum Clear Gloss actually has UV-protectants to help prevent yellowing. Maybe this, plus the UV-resistant epoxy will keep the eyes in good enough condition once it's applied. Thanks for your help  :)
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