Jacquard Pearl Ex Powered Pigments may be incorporated into any viscous (slightly thick) medium such as paint, varnish, glue or paste to produce a pearlescent or metallic luster. They may also be applied dry and then sealed or dusted on top of tacky surface. Particles size is 10 to 60 microns. It is easily silkscreened, brushed on or sprayed. Extreme colorfastness and stability make all Pearl Ex, Interference and Duo-Colors ideal for exterior, interior and archival applications. AVOID BREATHING DUST. USE ONLY WITH ADEQUATE VENTILATION