Thermochromic Pigment - 6 Color Pods - Heat Activated TurnThermo's Thermochromic (Heat Activated) Pigment. As the pigment is heated, the pigment becomes color-less; alternatively, when it is cooled, the color is returned. You can mix this pigment with a wide range of mediums including acrylic paint, fabric dye, nail polish, plastic, ink, and MORE! Changing from color to clear at 30 Celcius (86 Fahrenheit). These pods contain approximately 0.9g-1.0g of 100% non-toxic thermochromic pigment per pod. TurnThermo thermochromic pigment is on the leading edge for quality and consistency. NOTE: Thermochromic pigments have a low UV tolerance without proper protection (ex. Clear coats). No warranty can be given, as how you care for and topcoat it with will determine its longevity and endurance to UV rays.