Optical Characterization of Asphalt Binders Containing Wax Additives

Table 1

Properties of asphalt binder.

Aging states	Test properties	Test result
		PG 64-22	SBS	CRM
Unaged binder	Viscosity @ 135°C (cP)	531	3244	1112
	G/sin δ @ 64°C (kPa)	1.30	5.90	2.68
RTFO aged	G/sin δ @ 64°C (kPa)	2.50	13.40	6.11
RTFO + PAV aged residual	Gsin δ @ 25°C (kPa)	2550	3650	1480
	Stiffness @ −12°C (MPa)	287	285	194
	m-value @ −12°C	0.307	0.297	0.276