Study of Antiultraviolet Asphalt Modifiers and Their Antiageing Effects

Table 1

Physical properties of BA.

Physical properties	BA
Softening point (°C)	45.4
Penetration (25°C, 0.1 mm)	90.9
Ductility (10°C, 1 cm/min)	170
Viscosity (60°C, pa·s)	205
Viscosity (135°C, pa·s)	0.439