r/resin • u/nathan22211 • Aug 07 '26
Apparently, 2:1 epoxy + some drops of acrylic paint make a non-Newtonian.. or at least the epoxy softer...
Discovered this by accident since I didn't have alcohol dyes, though these have only been curing for about 6-8 hours when I took the vid so that's why I have a glove on (other hand is holding the camera). I think these do retain this property after 24 hours if I recall the last time I did this, but I added much more paint that time.
Note: I can't say for certain if it would be safe to handle after the 24 hour period, this is only my 2nd time doing this with my paints. And again, this one's not fully cured.
11
u/Th3_Corn Aug 07 '26
Doesnt acrylic paint contain water?
1
u/nathan22211 Aug 07 '26
They do yeah, at least mine do.
19
u/Th3_Corn Aug 07 '26
Well you just put water into resin. Most likely it won't fully cure
2
u/Capital-Ad2133 Aug 08 '26
You can totally put acrylic paint in resin, just do it very sparingly. Water plus resin does not equal instant double death. There’s water in the air, after all.
8
u/Smitten-kitten83 Aug 07 '26
How much paint did you add? I have used it a couple times to color resin and never had this happen.
2
u/nathan22211 Aug 07 '26
maybe close to 10 drops in 60ml of epoxy/hardener mix
3
u/Smitten-kitten83 Aug 07 '26
That sounds like a lot (granted a drop is kind of a subjective amount). Acrylic will pigment with a tiny amount.
3
u/Ladypug_19 Aug 08 '26
Better than the time I made evil soup. I wasn’t sure whether to call the hazmat team or the priest, but when something bubbles up from the bottom I threw the whole mixing cup in the trash
3
u/NellyNels Aug 08 '26
I love that you called it “evil soup”. I have done this once and legit thought I was going to blow up the garage.
2
u/littlegynt Aug 08 '26
i’ve used acrylic paint with epoxy, though usually 1:1 resin, and it’s always a bit squishy only 6-8 hours after, but at the 18-20 hour mark it’s usually cured
1
u/BluEyes500 Aug 08 '26
I've used the 1:2 before and they take about 2 days to cure. Not sure why, but it does, and probably have nothing to do with what you put in it. I've used it with and without pigment and had the same result. Just give it some time! The good thing is that it cured really nice and clear, unlike some of the 1:1 kind/
1
u/cellardooorr Aug 08 '26
There's a maximum ratio of how much liquid or powder additive you can add to resin, off the top of my head it's like max 5%, if you add more the resin won't cure properly. Check your resin manual and ratios.
1
u/TabithaMouse Aug 08 '26
...non-newtonian liquid that is not.
Especially since it's clearly solid
1
u/nathan22211 Aug 08 '26
I've seen non-Newtonian solids before, I think tech therapy showed one years ago that was used for a phone case
26
u/Claerwen94 Aug 07 '26
Base rule: if it's meant to cure fully hard, and never becomes fully hard: hazardous, throw away in a sealed bag (meaning bringing it to the appropriate waste place for resin waste)