Failed deep resin pour

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    • February 14, 2023 at 3:36 am #166331
      Damon
      Guest

      Hi folks,

      I’m working on my first diorama, which includes a sea section. It’s my first resin pour and unfortunately things didn’t go as planned 🙁 The model is cylindrical: half painted XPS, half resin. I’d created a cylindrical mold from thin acrylic sheet and used silicone along the sides of the XPS to keep the resin from flowing around it. That seems to have worked. I tried to seal the bottom of the mold with hot glue, and that failed after I’d completed most of the pour, draining resin from the project. You can see the holes it has created and the silicone dikes I created to contain the flow.

      https://photos.app.goo.gl/dMvTEysdMG2vLh4v7

      I figure this can’t be saved and I’ll have to start a new diorama (I don’t mind too much, I want to use transparent pigment anyway). Question is, will this type of mold work if I seal it with silicone instead of hot glue?

      Thanks in advance!

    • February 14, 2023 at 3:22 pm #166384
      Katherine Swift
      Keymaster

      Hi Damon,

      Silicone will work better, but that’s a lot of weight you’re working with it. Expect that you’ll still have some leakage, but hopefully less than the hot glue.

    • February 14, 2023 at 8:49 pm #166408
      Damon
      Guest

      Thanks, Katherine! I’m also noticing it’s eaten into the XPS foam (noticeable above the current surface of the resin). Could this have been prevented with ModPodge? Not sure if its a purely chemical reaction or the heat that’s generated…

    • February 15, 2023 at 11:54 am #166471
      Katherine Swift
      Keymaster

      Did you use a slow-curing resin?

    • February 15, 2023 at 4:07 pm #166481
      Damon
      Guest

      Good question. It looks like I got the wrong resin to begin with – tabletop not deep pour. Well, this has been quite the learning experience…

    • February 15, 2023 at 4:32 pm #166482
      Damon
      Guest

      I also didn’t do multiple layers. I just YOLO’d into all the noob mistakes, didn’t I? 😀

    • February 16, 2023 at 1:18 pm #166547
      Katherine Swift
      Keymaster

      Hi Damon,

      A deep pour resin is better for a project like this. You’ll have A LOT fewer bubbles and it will cure slower, producing less heat. This is the one to use: https://shop.resinobsession.com/collections/resin/resin-obsession-deep-pour-resin

    • February 16, 2023 at 7:31 pm #166566
      Damon
      Guest

      Thanks, what’s the room temperature (range) for proper curing?

    • February 16, 2023 at 7:33 pm #166567
      Damon
      Guest

      For the resin you recommend, I mean

    • February 17, 2023 at 12:19 pm #166633
      Katherine Swift
      Keymaster

      Low 70s F is idea, but with a pour that big, you’ll have to be ready for overheating. This article will help: https://resinobsession.com/resin-resin-resin/epoxy-table/

      It’s not exactly what you want to do, but the same concepts apply to what you’re making.

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