A mixture of hydrocarbons occurring both in the native state and as residue from California petroleum distillation. Soluble in carbon disulfide. Solid to viscous, semisolid liquid. Used in hot-melt adhesives, coatings, paints, sealants, roofing, and road coating. Bitumens are found in asphalt, mineral waxes, and lower grades of coal. Combustible.See Asphalt; Gilsonite; Glance; Shale Oil; Oil Sands.