‘s KP203 Primer Black is the first layer of colour that is applied on the model in order to prepare the surface for the subsequent painting processes. Presentation : ‘s KP203 Primer Black is the first layer of colour that is applied on the model in order to prepare the surface for the subsequent painting processes. Strong Coverage : Our water-based airbrush primer effectively covers the underlying material, providing a uniform base for acrylic paint application. Versatile Application : The acrylic paint primer can be applied using a airbrush or directly with a brush. It can also be mixed with thinners, and compatible with various acrylic paints. It is suitable for surfaces such as glass, wood, plastic, metal, and fabric etc.