ASTM D2399-21 PDF Download

ASTM D2399-21 is a standard practice that provides guidelines for the selection of cutback asphalts for various paving and related applications. It specifically focuses on slow, medium, and rapid curing types of cutback asphalts, with slow-curing cutback asphalts being commonly known as road oils.

The scope of this standard encompasses the selection process for cutback asphalts, ensuring that the appropriate type is chosen based on the specific requirements of the project or application. It is important to note that the standard includes references to notes and footnotes, which offer additional explanatory information. However, these notes and footnotes should not be considered mandatory requirements of the standard, except for those included in tables and figures.