oil asphalt

oil asphalt

[′ȯil ′as‚fȯlt]
(materials)
Water-insoluble, heavy black residue left after removing the tar tailings during the distillation of petroleum; used in roofing, paints, and coatings.
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References in periodicals archive ?
According to director of technics of Directorate General of Road Building, the reopening of Asbuton is due to its finer quality compared to oil asphalt.
But the asphalt produced has not been optimized because of its form (like earthen lump), and because it is more difficult to use Asbuton than with oil asphalt.