Although these are sold as dyes for polyester resin, we find that they will work in other media as well. We've used them in epoxies, varnishes and shellac, just to name a few. They won't work in water based media, but seem to be compatible in just about anything with a solvent in it.
Special Shipping Notes: This product is classified as "Restricted" by the DOT. This means that this product can only be shipped via UPS Ground Service. TIP: If you are ordering other items that need to be shipped via a faster service, consider placing all "Restricted" items on one order and all other items on another order with faster shipping.