Thermochromic,Temperature Activated Pigment AZURE BRILLIANT- 5 grams More than 25 years of laboratory experience More than 1000 customers 100% customer satisfaction Laboratory quality control When the temperature rises over 88⁰F (31 ⁰C) degree, the pigment turns from AZURE color to COLORLESS (white) . This process is reversible- when it gets temperature to cold, the pigment turns back to its original color. It could be repeat a many times Every application use different quantity of powder. On average for better use 1 part pigment to 15 parts base is a good for beginning. Safety: Non-toxic, Non radiation, but not intended for consumption We are offer a large selection of our novel, long-efficiency and environmentally friendly material which can be used for many projects with different media. Lowest Price and Best Quality are Guarantee! Contact us for more information regarding our products.