I have had no issue with transtint. But totalboat Pigment dispersion works great too
https://www.totalboat.com/products/p...43151638560992
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I have had no issue with transtint. But totalboat Pigment dispersion works great too
https://www.totalboat.com/products/p...43151638560992
In a small town, your two best options are either paint tint or rit dye powder.
I'd suggest taking a black ink pen and nipping the end off and carefully blowing out the black ink. I suspect that the old-fashioned ink cartridge would work better than a gel pen ink.
I also like black powder pigments. Mortar dye is super concentrated and comes in a variety of colors however it's difficult to find small quantities. Industrial arts supply in Minnesota has sample packs that have an assortment of 8 colors for $9.95. A little goes a long way. They call them powder pigments #80PP. Their catalog has a lot of interesting items. 952-920-7393
Tempera powder - comes in many colors. About 1%-2% by wt.
Wow! I never thought there were so may ways to color epoxy. Thank you all for your responses. One question, do any of these weaken the bond of epoxy?
Good someone finally found a use for instant coffee because you certainly can't drink the stuff. Another really good powdered colorant is mortar dye. Comes in a bunch of colors and looks like powdered tempura but is super concentrated. A little goes a long way.