Liquid materials (liquid components, varnish) used to disperse pigment in paint manufacturing are called paint vehicle. Because it is used to disperse pigment and fillers, it is also called chromogenic agent and paint mixing material. Or another component in the two-component coatings other than aluminum slurry and curing agent. It is often called paint vehicle in painting.
Organic polymer materials -> Adhesives and coatings -> Coatings