Gum Arabic Powder used as a binder for watercolor paints. As a mediumgum arabic increases the gloss and transparency ofwatercolors. Gum Arabic also helps slow down the drying time of paint giving you more time to work with you washes.
Gum arabic is the basis of the best watercolors. It can be used to create interesting textural effects when mixed with watercolor washes. Useful in making emulsions with egg tempera and resins.