Pearlescent and metallic base colours that spray semi-opaque out-of-the-bottle, with a 0.5mm airbrush tip-size. Thin with 4011 Reducer for increased transparency and use with smaller airbrush tip-sizes down to 0.3mm. For best results over plastic, wood, hard-surface & automotive, apply over a colour-keyed AutoBorne Sealer Base, Aluminium & Silvers over 6013 Silver Sealer.