Hagyo medium for Korean Colors :
ShinHan Painting Glue for Professionals is a medium intended for use in color mixing. A water based glue processed from liquefied gelatin, it is used for painting thickly on hanji, traditional Korean paper handmade from mulberry trees. Its transparency is very important in protecting the chroma and value of colors mixtures. To ensure the preservation of an artwork, combine one part glue with one part water when using the following colors (White, Yellow Light, Burnt Sienna, Yellow Ochre, Opal Green, Ultramarine Blue, Light Blue Violet, Orange, Lemon Yellow Pale and Raw Sienna) For other colors, mix one part glue with two parts water.