Fx Photochromic Pigments absorb energy and change color in the presence of ultraviolet(UV) light, usually from the sun. When UV source is removed, chromics return to their original color.Paint : Suitable for use in Surface Coating product such as PMMA paint, ABS Spray Paint, PVC Paint and water based spray paint. Ink : Suitable to be printed on various kinds of materials, Such as fabrics, Paper, Synthetic membrane and glass Plastic Products : Plastic Injection and extrusion using high color density PE or PMMA Photochromic Masterbatch.