Acrylic Mediums, Varnishes & Primers
With the help of mediums, acrylics may be used in a fluid, gestural manner (much like water colour) or in heavier applications (as with oils) or they can be shaped and carved, used for print making or in virtually any other technique imaginable.
Mediums can help you to:
Keep your colours brilliant
Improve colour durability and adhesion
Extend the colour
Bring transparency and depth to the film
Improve flow and brush-ability