Hives, colors sinking and other shenanigans

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    • #91795
      Kynthia
      Guest

      Hello everyone!

      So I recently decided to try my hand at resin and after a very good and positive start everything has just been going downhill. Now I must point out that I am having quite a difficult time finding supplies, I’m from Greece and resin and especially resin pigments are hard to find or are very pricey for being unknown brands (at least I haven’t encountered them in any tutorials), and the brands that I do know of to be good either don’t ship here from the rest of the world or they are especially expensive, even more so with shipping.

      Now I’m not going to tire you with everything that has gone wrong, just the latest cast, but you can peruse my imgur further if you want to see more of my suffering😅

      So, because last time I had trouble with my resin colors mixing someone suggested I let the resin cure on its own first before I do my pour, as I got a slow setting UV resin. Trying to troubleshoot more than one problem I did that and also decided I’d see if maybe I’m using too much pigment. So I made four different cups, two with as much color as I thought should be in there in regards to color and opacity and two with just one or two drops each. I also had a cup of clear resin as I am trying to follow this particular tutorial on marbling.

      I waited for nine hours as the resin info says, stirring occasionally and after I did my pour everything seemed to actually work just fine (https://imgur.com/gallery/wYHI1qO?fbclid=IwAR1UrH48ggYZAJwJI1IabavE68QlkZ1qQNwZuTWFmpiQwHuQFsDd4MeDxl8). Even though I got more like a flower effect and I have no idea how that happened either😅 Problem is as it continued to cure it also started to make these little hives and dots of what seems to be clear resin (https://imgur.com/gallery/fTyVJGv). In my previous casting the resin had made hives again -that looked more like cracks though- and I thought it was due to the resin setting in a colder than needed temperature. The temperature was normal though this time as the resin info asks for, so as of now I really don’t know what caused this. It made no difference with the cast that had less pigment either.

      Even though that part puzzles me it doesn’t look that bad. What does look bad is the back (https://imgur.com/gallery/UszeIIP). The pigment has sunk to the bottom and the dark grey has taken almost completely over the white one, while on the other it made blobs and in some places it’s just sitting there where i poured it in little strings and decided to not work with the white at all (https://imgur.com/gallery/4AuEDkW).

      My guess is this has to do with too much pigment, but especially when it comes to the white I don’t think I can use any less without it starting to get transparent. I’m using polyester pigment paste btw that lists epoxy resin as one of the resins that it can be used with.

      Anyway sorry for the long post😅 If anyone has any answers or tips for me I would greatly appreciate it!
      In the meantime I’ll continue on with my experiments I guess and hope for a breakthrough🤞

    • #91796
      Katherine Swift
      Keymaster

      Hi Kynthia,

      Unfortunately, pigments have different weights. It sounds like the heavy ones are sinking.

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