Non-toxic, powdered pigments that exhibit extreme colorfastness and stability. They are ideal for interior, exterior and archival applications, and can be incorporated into nearly every art process. Pearl Ex pigments can be mixed into any viscous medium including all paints, varnish, airbrush paints, polymer clay, etc. They can also be applied dry to wood, ceramics, paper, wax, or any porous surface. Neutral pH makes these excellent for stamping or embossing. Temperature resistance allows them to be f ired in a kiln up to 600 degrees. Use Pearl Ex Powedered Pigments to simulate metallic sheens, shimmering pearlescents, leather, antique metal, raku pottery, hammered copper, and more. Colors are available individually or in sets .