Brustro Professional High Gloss Varnish 200 Ml Brustro Professional high Gloss Varnish is a mid-viscosity final varnish for Acrylic paints. It produces a strong protective tack-free clear film on acrylic works and gives an even sheen and brings out full intensity of pigments. This fluid varnish is water based can can thus be diluted with water. As acrylics dry very rapidly, care should be taken to apply varnish pre-diluted with water, ideally upto 25%