Performance Damage Characteristics of Asphalt Binder Suffered from the Action of Sulfate

Table 1

Technical properties of SK-90# asphalt binder.

Test items		Unit	Technical requirements	Value	Specification
Penetration	15°C, 100 g, 5 s	0.1 mm	Non	43	T0604
	25°C, 100 g, 5 s		80∼100	86
	30°C, 100 g, 5 s		Non	160
Softening point (R&B)		°C	≥44	47.0	T0606
Ductility (15°C, 5 cm/min)		Cm	≥100	≥100	T0605
Flash point		°C	≥260	304	T0611
Solubility		%	≥99.5	99.8	T0607
Specific gravity (15°C)		g/cm^3	Non	1.030	T0603
RTFOT (163°C, 75 min)	Mass loss	%	±0.8	0.15	T0610
	Penetration ratio (25°C)	%	≥57	60.5	T0604
	Ductility (10°C)	cm	≥8	9.8	T0605