Heavy Body Professional Artist Acrylic Color, previously referred to as High Viscosity Acrylic Color, has an exceptionally smooth, thick and buttery consistency. Because it-s so thick, it retains crisp brush strokes and palette knife marks, making it pe rfect for impasto, mixed media, collage, and printmaking applications.Heavy Body Acrylic Color combines excellent handling and blending characteristics with increased open working time. Its high pigment load produces rich, brilliant, permanent color. Wa ter soluble when wet, it is flexible, non-cracking, non-yellowing, and water resistant when dry.