Square coaster mold

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    • March 13, 2018 at 3:34 am #12696
      Joanne
      Guest

      Hi,
      I just poured resin into the two square coaster molds I recently purchased from you. Both pieces ended up with spots on the top that were like shallow holes with no resin. I put sealed stickers in both and thought I got rid of any bubbles. Why would this happen? It’s odd that it happened to both of them! Thank you

    • March 13, 2018 at 11:38 am #12699
      Katherine Swift
      Keymaster

      It sounds like there were bubbles that formed that popped while the resin was curing. The resin wasn’t fluid enough to fill in the voids.

      What kind/brand of resin did you use? How much did you mix?

    • March 27, 2018 at 3:46 am #12831
      Joanne
      Guest

      I was using Clearcast 7050. I was making two square molds and mixed 2 oz. I rubbed the stick across the sticker to make sure I didn’t have bubbles underneath.

      Would I be better off first laying down a thin layer of resin and then later adding the sticker and more resin? But how would I be able to make sure there weren’t bubbles under the sticker? If I pressed down, I could mess up the first layer which isn’t fully cured? I really am not sure how to proceed. Thank you.

      • March 27, 2018 at 3:10 pm #12834
        Katherine Swift
        Keymaster

        Try dipping the sticker in your resin cup before placing it in your mold. This relieves the surface tension and makes it less likely you will trap bubbles.

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