Properties and Components of Recycled Engine Oil Bottom Rejuvenated Asphalt and Its Grey Relationship Analysis

Table 5

Relationship degrees between the properties indices and four components.

Projects	Asphaltenes X1	Resins X2	Aromatics X3	Saturates X4
Penetration X01	0.524	0.545	0.656	0.563
Softening point X02	0.860	0.785	0.587	0.802
Ductility X03	0.544	0.545	0.550	0.547
Rutting factor X04	0.905	0.788	0.565	0.701
Creep stiffness X05	0.787	0.730	0.552	0.655
Creep rate X06	0.539	0.545	0.594	0.558