Acrylic Varnish Matt is a final picture varnish for dried acrylic paintings - water-thinnable. Over dried acrylic paintings, Acrylic Varnish Matt can be used to change the surface appearance of the dried paint film. Provides a flat matt finish. In general, acrylic paintings should be left to dry out for at least two weeks before application of varnish layers. Dries to a tough, nominally scratch-proof finish. Non-yellowing. Contains a UV filter which helps to deflect the action of light on painted surfaces. Can be diluted with water as required. Clean brushes, tools, etc with water.