Choosing a resin for this mold

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    • November 3, 2017 at 10:07 pm #10738
      Katherine Swift
      Keymaster

      This question comes from Juliana:

      what is the ideal resin to use for an alginate or instamold mold. I tried polyester resin the other day and it smelled absolutely awful, I need something that could be used in my studio.

    • November 3, 2017 at 10:08 pm #10739
      Katherine Swift
      Keymaster

      Hi Juliana,

      The smell is likely due from the polyester resin. That stuff smells awful. I would suggest switching to an epoxy.

      On a side note, I haven’t used instamold but have used alginate. Those molds tend to attract moisture. I *think* an epoxy will cast okay, but I definitely would not use a polyurethane. They hate moisture!

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