Arabic gum is the binder traditionally used for watercolor. It is made from acacia and is the oldest of the gums.
Dammar gum is a resin secreted by a tree in the Indonesian Islands. It has been used since the 19th century in painting for the manufacture of varnishes and painting mediums. It produces a natural, transparent, satin-to-gloss finish, which does not yellow over time. Used as an adjuvant in oil paint and wax, it is soluble in the aqueous phases and is diluted in the essence of turpentine.
Glue of animal origin, it has a powerful tackiness and can be used in many ways (sealant, glue, coating, paint, etc). The rabbit skin glue is known for its properties of flexibility and finesse.