coal-tar pitch

British  

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

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Example Sentences

The most improved by-product ovens produce not only coke and gas, but coal-tar, pitch, ammonia, and creosoting oils, all extremely valuable and adding greatly to the value of the output of the ovens.

From Checking the Waste A Study in Conservation by Gregory, Mary Huston

The water-proofing consisted of three layers of Hydrex felt, of a brand known as Pennsylvania Special, and four layers of coal-tar pitch.

From Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Site of the Terminal Station. Paper No. 1157 by Clarke, George C.

The coal-tar pitch used had a melting point of 100° Fahr.

From Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The Cross-Town Tunnels. Paper No. 1158 by Brace, James H.

The retaining walls were water-proofed with three layers of felt and coal-tar pitch, which was protected by 4 in. of brick masonry.

From Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad The Terminal Station - West by Cresson, Benjamin Franklin

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

From Checking the Waste A Study in Conservation by Gregory, Mary Huston