Metallic Pearl Pigments are very fine powdered mica pigments that are non-toxic, inert, and can be mixed into virtually any viscous, transparent medium and applied to any surface, Since they are not metals, they will never rust or tarnish. Mix Shamrock Metallic pigment with any clear medium to use over any surface. Suitable systems are epoxy resins, acrylic resins, and polyurethanes. Mix to a desired consistency and paint on wood, metal, plastic or baked polymer clay. Dust Shamrock Metallic pigment onto any surface and then seal with a spray lacquer.