Profile: Smarol Industry Co., Ltd offers temperature reactive color changing materials and sunlight reactive color changing materials. Thermochromic powders are thermochromic micro capsules in a powder pigment format. Thermochromic pigments are thermochromic micro capsules in a powder pigment form. They have been specially designed for use in non aqueous based ink systems although their use is not limited to this. They can be used to formulate non aqueous based flexographic, UV, screen, offset, gravure and epoxy ink formulations. Thermochromic powders are colored below a specific temperature, and change to colorless or to another, lighter color as they are heated through the temperature range. These pigments are available in various colors and activation temperatures.