Varnish for gouache and tempera sheets Bonapint 75ml This varnish has been specially formulated for gouaches and tempera. They improve the aging resistance of acrylic colors, uniform brightness differences and increase the depth of colors. Acrylic varnishes in the solvent phase have great coverage capacity and do not yellow.They provide a perfectly extended, light and indelible, protective, anti-dust and anti-humidity film. Its satin finish provides even more shine and uniformity to the colors. Quantity: 75 ml. Brand: Bonapint.