Liquitex Heavy Body Artist Color, previously referred to as High Viscosity has a thick consistency for traditional art techniques using brushes or knives, as well as for experimental, mixed media, collage and printmaking applications. Impasto applications retain crisp brush stroke and knife marks. Good surface drag provides excellent handling and blending characteristics with increased open-working time. High pigment load produces rich, brilliant, permanent colour with a satin finish. If it sticks to it, you can use it. Use Heavy Body on: Stretched canvas Photo paper Plaster & brick Clay & pottery Paper & board Wood, fabric & glass rel=0.