Arabic gum Sennelier

Purest known natural water-soluble non-toxic gum crystals from African acacia trees dissolved 10-35% (according to use) in cold water to make a solution used as a binder for watercolour, gouache, tempera and pastels. This gum can be used also as a glue. Dissolve the gum for two hours while stirring frequently. Used as an adhesive, “stop out” for litho techniques and as size. Added to watercolours it increases their luster, transparency and solubility when dry.