1, by sunlight / ultraviolet radiation, sunlight / UV color change resulting from the energy, when the loss of sunlight / UV, that is back to the original color. 
 2, basic colors: purple, red, yellow, blue, orange, sky blue. 
 3, the product form: Toner, water emulsion, color masterbatch. 
 Product Benefits 
 1, for deployment of color ink, paint and so on. 
 2, suitable for plastic injection, extrusion and so on.