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

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coal-tar pitch

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 Benjamin Franklin Cresson

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 Mary Huston Gregory

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

From Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Tunnels. Paper No. 1159 by James H. Brace

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 Mary Huston Gregory

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 James H. Brace