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AASHTO M 320 2005 Edition, January 1, 2005
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Standard Specification for Performance-Graded Asphalt Binder
Additional Comments: ONLY AVAILABLE IN ELECTRONIC FORMAT
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This specification covers asphalt binders graded by performance. Grading designations are related to the average seven-day maximum pavement design and minimum pavement design temperatures. This specification contains Table 1 and Table 2. Table 2 incorporates PP42 for determining the critical low cracking temperature using a combination of T 313 and T 314 test procedures. If no table is specified, the default is Table 1.

Note 1—For asphalt cements graded by penetration at 25°C, see M 20. For asphalt cements graded by viscosity at 60°C, see M 226.

Note 2—R 29 provides information for determining the performance grade of an asphalt binder.