Liquitex Satin Gel Medium increases viscosity and texture, provides a satin finish and extends colour.  Retains brush and knife marks.  Enhances blending and is water resistant when dry.  Use only with acrylic paint and mediums.  Can thin with up to 25% water or satin medium.  Good for impasto, blending or as a collage adhesive.  Lightfast, archival, non yellowing, flexible and non cracking.