ASTM-D490 › Historical Revision Information
Standard Specification for Road Tar
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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.
Scope
1.1 This specification covers 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.
Keywords
Pavement surfaces--specifications; Road tars; ICS Number Code 93.080.10 (Road construction)
To find similar documents by ASTM Volume:
04.03 (Road and Paving Materials; Vehicle-Pavement Systems)
To find similar documents by classification:
93.080.10 (Road construction Including road maintenance equipment and road construction equipment)
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Document Number
ASTM-D490-92(2011)
Revision Level
1992 R11 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Jan. 1, 2012
Document Type
Specification
Page Count
2 pages
Committee Number
D04.43