Study on Epoxy Resin-Modified Asphalt Binders with Improved Low-Temperature Performance

Table 1

Basic performance of A-70 matrix asphalt binder.

Items		A-70 matrix asphalt binder
		Results	Index
Penetration (25°C, 100 g, 5 s)/0.1 mm		74.0	60‐80
Ductility (15°C, 5 cm/min)/cm		>120	>100
Softening point (ring and ball method)/°C		47.4	≥46
Solubility (%)		99.90	>99.5
Residue after	Quality change (%)	−0.1	≤±0.8
RTFOT	Penetration ratio (%)	73	≥61
Relative density of asphalt at 25°C/(g/cm^3)		1.031	—