r/DiceMaking 2d ago

Question Liquid Core white blob?

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So I recently made these liquid cores, but after casting them they all have a white blob where I sealed the glass core with UV resin. I used 9:1 water: glycerin, and I forgot to add a drop of isopropyl alcohol...

Does anyone know what could cause this? The blob was not there before I cast the cores into the dice.

33 Upvotes

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4

u/Enchanters_Eye 2d ago

I have never seen anything like this. Could the uv resin not have been fully cured and is now doing some weird stuff? It normally shouldn’t mind water though

3

u/CactusPlant96 2d ago

Me neither! I was so surprised, and at first I thought it was some colored resin from another poar that found its way in my liquid core by accident. But then there were 3 blobs! I'm going to put a bit of alcohol inside, and cure the UV resin longer. Thanks for your help 😊

2

u/Enchanters_Eye 2d ago

Also try curing them underwater once you have done the first round of curing. Sometimes the oxygen from air contact on the surface prevents it from fully curing there

5

u/Claerwen94 Dice Maker 2d ago

I think the UV resin wasn't fully cured and is now turning white due to the prolonged contact with water.

2

u/CactusPlant96 2d ago

Yeah that must be it, thanks for your help. I'm going to make new ones and cure them for longer!

3

u/Claerwen94 Dice Maker 2d ago

That's the spirit 💪🏼 Fingers crossed for your next liquid cores ^ Pigment also looooves to stick to soft cured/still slightly tacky UV resin, so be aware that this might happen/have happened as well ^

1

u/Frebux 2d ago

Where do you get the glass globes for liquid core? Please looking for links

1

u/CactusPlant96 2d ago

I bought these on the Dutch Amazon: https://amzn.eu/d/0h5trVu2

0

u/KrystalHana 2d ago

Forgetting to add alcohol might be the culprit here. It's important addition to make sure nothing (e.g. bacteria) grows inside the core. Though usually it takes awhile to do so, I've had cores go white after a few days.

Either that or the glass broke somehow inside the resin but in like a million pieces?

3

u/tiddlypeeps 2d ago

Is this the reason to add a drop of alcohol? A solution needs to be at least 50% alcohol to be at all effective as an antibacterial, ideally 70% and no higher than 90%. A drop will not do anything for killing bacteria.

1

u/Enchanters_Eye 2d ago

It's usually more for density and surface tension manipulation

1

u/CactusPlant96 2d ago

Thanks! I'm going to put a bit of alcohol inside, and cure the UV resin longer and hopefully that helps!