The Ductility or Elongation is measured by the distance to which a sample will elongate before breaking when two ends of a specimen briquette are pulled apart at a specified speed and at a specified temperature. It may be used for quality specifications.
The Force-Ductility measures tensile properties on the basis of the performed force and the specimen strain. A specimen briquette is pulled apart at a specified speed and at a specified temperature until the briquette ruptures or a specified strain is achieved.
The Elastic Recovery is measured by the recoverable strain determined after a specified time after severing an elongated briquette specimen. The specimens are pulled to a specified distance at a specified speed and at a specified temperature, cut apart and after a specified time of recovering the reduction in relation to the total distance is measured. This is useful in confirming that a material has been added to the asphalt to provide a significant elastomeric characteristic.
The Deformation Energy is a significant characteristic for the adhesive power of polymer-modified bitumen.
