coal-tar pitch

noun

1. a residue left by the distillation of coal tar: a mixture of hydrocarbons and finely divided carbon used as a binder for fuel briquettes, road surfaces, and carbon electrodes

Example Sentences

The felt was stuck together in 3-ply mats on the surface with hot coal-tar pitch.

From Project Gutenberg

They are made from the low-grade coals, culm, slack and lignites, blended with coal-tar pitch.

From Project Gutenberg