Gum thus

The balsam exudate obtained from several North American trees, including the longleaf pine, Pinus palustris, the Cuban pine, Pinus caribaea, and the loblolly pine, Pinus taeda. Gum thus is a thick, yellowish, sticky mass with a characteristic piney odor. It is used as an additive in oil paints, an insecticide, a polish, and as an antiseptic agent.