JACQUARD PEARL-EX MICA PIGMENTS - Jacquard Pearl-Ex Pigments are nontoxic, inert, powdered pigments that exhibit extreme colorfastness and stability.Ideal for interior, exterior and archival applications, they can be incorporated into any viscous medium.They may be spread dry on any porous surface.Their temperature resistance allows them to be fired in a kiln up to 600 degrees.Use with embossing inks to achieve spectacular rubber stamp images.