AASHTO T 408-23

This test method covers the determination of the tack coat adhesion quality as measured by the tensile strength of tack coat materials on the free surface of asphalt pavement in the field or laboratory.

This test can be performed in the field on the surface of asphalt pavement or on 150-mm (6-in.) diameter, gyratory-compacted samples.

This standard was formerly designated as provisional method of test TP 115.