Acrylic sealers act as a glaze allowing artists to stiffen papers, make collage, glaze acrylic paintings and protect murals. Many slow down fading due to UV inhibitors. Winsor & Newton, Liquitex, Golden and Mod Podge are very popular with artists for fine arts, crafts and bookmaking. Acrylic mediums are also used as a photo transfer medium for printed and copied materials.