Strength Mechanism and Influence Factors for Cold Recycled Asphalt Mixture

Table 3

Basic properties of emulsified asphalt.

Indexes	Emulsified asphalt			Specification
	High-viscosity	Slow-setting	Medium-setting
Demulsification speed	Slow	Slow	Medium	Slow or medium
Particle charge	(+)	(+)	(+)	(+)
Residual stay on 1.18 mm/%	0.05	0.04	0.08	≤0.1
Englar viscosity	22	9	10	2–30
Residual after distillation
Content/%	66	60	62	≥55
Penetration (25°C)/0.1 mm	55	69	72	50–300
Ductility (15°C)/cm	60	110	95	≥40
Solubility/%	98.5	98.1	99.8	≥97.5