Effect of Iron Oxide on Self-Healing and Thermal Characteristics of Asphalt Based on Molecular Dynamics Simulation Perspective

Table 2

Technical parameters of 70# base asphalt.

Technical parameters	Technical standards	Testing results
Penetration (25°C, 5 s, 100 g)/0.1 mm	60∼80	62
Soft point (°C)	≥46	48.5
Ductility (15°C)/cm	≥100	>100