Gum copal from Indonesia is a natural resinous material of plant Bur sera bipinnata. It has been used as pigment binder in varnishes due to the excellent binding properties. It has been mainly used as an emulsifier and stabilizer.
Its properties of water resistance, solubility in alcohols, ability to give glossy finishing and superior binding abilities makes it an important source of raw materials for the production of Varnishes, Adhesives, Paints and perfumes, Printing Inks, Aromatic Emulsions, Meat Preservative, Medicines, and Films.