Iriodin® 9153 Flash Pearl WR has an interference color of silverwhite. The mica-based pearl luster pigment refine coatings for interior and exterior applications. Since this product is a coarse particle pigment, it has limited feasibility for automotive paints, particularly for OEM application. Special measures may be necessary for satisfactory results. It is supplied as a dry, free-flowing powder that is insoluble in water with a pH ranging from 6-9.