Причина отменыThis specification covered 14 grades of tar as follows: RT-1, RT-2, RT-3, RT-4, RT-5, RT-6, RT-7, RT-8, RT-9, RT-10, RT-11, RT-12, RT.C.B.-5, and RT.C.B.-6.

Formerly under the jurisdiction of Committee D04 on Road and Paving Materials, this specification was withdrawn in July 2023. This standard is being withdrawn without replacement due to its limited use by industry.

Реферат

This specification covers 14 grades of road tar as follows: RT-1, RT-2, RT-3, RT-4, RT-5, RT-6, RT-7, RT-8, RT-9, RT-10, RT-11, RT-12, RT.C.B.-5, and RT.C.B.-6. The tar shall conform to the requirements prescribed for (1) water content, (2) specific gravity, (3) specific viscosity, (4) distillate content, (5) softening point of residue from distillation, and (6) total bitumen soluble in carbon disulfide. The properties enumerated shall be determined by the specified test methods including Engler and float tests, distillation test, and ring-and-ball test.

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