ASTM D2171
ASTM D2171 – Standard Test Method for Viscosity of Asphalts by Vacuum Capillary Viscometer Description: Significance and Use 5.1 The viscosity at 60 °C [140 °F] characterizes flow behavior and may be used for specification requirements for cutback asphalt and asphalt binders. NOTE 3: The quality of the results produced by this standard are dependent on the competence of …