Pearlescent pigment is an optical effect pigment. Because it can show a certain metallic luster, it is also called non-metallic pigment with metallic luster. Pearlescent pigment not only has the flash-ing effect of metal pigment, but also can produce the soft color of natural pearl. When Exposed to sunlight, it can produce multi-level reflection. The interaction of reflected light presents soft and dazzling or colorful luster and color.