The First and Only Thermochromic Ink! We are proud to announce the Bi-Polar Inks are back in stock! Now better than ever! 5 Bright and vibrant colors! Will come in 10ml Bottles, and will be ready to go! Inks Do have a shelf life of about 9-12 months. So please use them accordingly! Best Changes from room temp, to 88 degrees. 

For best results, please use thin coats of epoxy. The thinner the better. With thicker coats of epoxy it will take longer for the color change to take effect due to the insulation of the epoxy. 

5 Colors! 

Orange-Yellow

Teal Green-Lime Green

Purple-Blue

Neon Green-Yellow

Purple-Pink