For airbrushing, you may use Tensocrom pure or diluted with with water. Airbrush at very low pressures. (Iwata airbrushes give the best performance and atomisation at low pressures.) Apply glaze on surface with a brush or airbrush. The glaze must be almost transparent for best results. The glaze dries very fast. You may enhance the effect with repeated applications. Clean your airbrush with airbrush cleaner and flush through with water