Resin curing weirdly

  • This topic has 6 replies, 1 voice, and was last updated 5 months ago by robyn.
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    • #125242 Reply
      Robyn
      Guest

      Hi everyone,

      I was hoping I could get some help. For fun I like to make resin bits and bobs and until now I’ve only used small moulds. For the first time I’ve used a bigger mould and I’ve found that the next day when it was done curing the outside of the mould was fine but the resin in the middle isn’t shiny, more matt and there is like…waves or lines along the outside of the matt colouring. It’s not cloudy but there’s just no shine to it and it’s only in the middle.

      I’d post a picture but not sure how.

      Was hoping someone could tell me why this might be happening and how/if I can rectify it?

      Thanks so much

    • #125247 Reply
      Katherine Swift
      Keymaster

      Hi Robyn,

      It sounds like your resin is developing scales? If so, that would be from overheating.

    • #125251 Reply
      Robyn
      Guest

      https://share.icloud.com/photos/012Ft5h5gNGlKYQC18qQAOLYw

      There’s a photo of it, if the link works

    • #125333 Reply
      Katherine Swift
      Keymaster

      Thanks Robyn, I can see your picture.

      Is that area sticky?
      What kind of resin are you using?

    • #125355 Reply
      Robyn
      Guest

      Heya, nope it’s not sticky at all. The previous layer did the same thing and I thought it was due to pupping bubbles with a heat gun. However I didn’t use any heat this time!

      It’s epoxy resin, one of the cheaper ones on Amazon

      Thanks

    • #125497 Reply
      Katherine Swift
      Keymaster

      It sounds like it’s overheating. Here are a few reasons why that can happen: https://www.resinobsession.com/resin-resin-resin/why-is-my-resin-hot/

    • #125524 Reply
      robyn
      Guest

      Amazing, thank you for your help! Its more than appreciated 🙂

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