Amsterdam Extra Heavy Gel Medium Matt is a very useful medium when painting with acrylics if a high level of thickness is needed. Extra Heavy Gel Medium Matt thickens Acrylic colour and makes them more transparent, as well as decreasing the level of gloss in the paint. Gel Mediums are milky white substances that dry clear and colourless when applied without adding colour, and can also be used as an adhesive to fix items to a canvas or other primed surface when creating collage or mixed media work.
This fantastic medium creates extra thick colour effortlessly, and is ideal for use when large areas of thicker acrylic or retention of brush strokes are needed.