Coal tar pitch is a soft to hard and brittle substance containing chiefly aromatic resinous compounds along with aromatic and other hydrocarbons and their derivatives; it is used chiefly as road tar, in waterproofing roofs and other structures, and to make electrodes. ...
The properties of coal-tar pitch roof membranes approximately 21years old were compared to the properties reported for such membranes in NBS Building Science Series 55, 'Preliminary Performance Criteria for Bituminous Membrane Roofing.'Samples of the old membranes were taken from eight buildings having...
Related to coal tar:coal tar pitch coal tar n. A viscous black liquid containing numerous organic compounds that is obtained by the destructive distillation of coal and used as a roofing, waterproofing, and insulating compound and as a raw material for many dyes, drugs, and paints. ...
Coal-Tar Flat-Roof Pitch Raw materials and production methods for coal-tar flat-roof pitch and specifications for fiat-roof bituminous materials are discussed. The importance of satisfactory long-term service as a basis for specifications of basic types is empha... WF Fair,MD Chamberlain - 《Ast...
Tar, the everyday material that seals seams in our roofs and driveways, has an unexpected and unappreciated complexity, according to anMITresearch team: It might someday be useful as a raw material for a variety of high-tech devices including energy storage systems, thermally active coatings,...
Used in surface coatings and sealants (walls, insulation, pipes, roofs, and roads); Used to produce plastics, solvents, dyes, and drugs for psoriasis; Used as a fuel in open hearth furnaces in the steel industry; [HSDB] Comments May cause first degree burns after short exposure and second...
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Tar, the everyday material that seals seams in our roofs and driveways, has an unexpected and unappreciated complexity, according to an MIT research team: It might someday be useful as a raw material for a variety of high-tech devices including energy st
被引量: 12发表: 2011年 Bituminous product and method of making This invention relates to tar products of a novel type adapted for use as roofing pitches upon steep roofs. Coal-tar pitch has outstanding waterproofing qu... AB Albert 被引量: 11发表: 1942年 加载更多站...
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