Package: 20gram/bag

Uses : paint, ink,rubble and other applications

Product description: Photochromic pigment: Under ultraviolet light or sunlight. Color change from white color or very light color to red, yellow, blue, pruple color. Once away ultraviolet light or sunlight it will raback its white color or very light color. This process can repeat again and agian. Color available: Red, yellow, blue, purple any inquiry pls call to 0086-15958136613 Ms xu directly. 24 hours in service