This acrylic self-leveling primer is expertly formulated for both airbrush and brush applications, suitable for all types of surfaces. For optimal results, shake well before use. It boasts high holding power and is fast drying, allowing for sanding just 24 hours after application. The primer is water-soluble, giving you the flexibility to use it directly or in a diluted form. Its non-toxic nature makes it safe for use in various environments. For the best thinning results, we recommend using AK11500 Acrylic Thinner.