Hybrid Modification of Stone Mastic Asphalt with Cellulose and Basalt Fiber

Table 3

Physical properties of base asphalt.

Properties	Values	Standards
Specific gravity at 25°C (g/cm^3)	1.03	ASTM D70
Penetration at 25°C (1/10 mm)	55	ASTM D5M
Softening point (°C)	50.1	ASTM D36 M
Flash point (°C)	298	ASTM D92
Ductility at 25°C (cm)	>100	ASTM D113
Viscosity at 60°C (Pa·s)	876	ASTM D4402
Loss on heating (%)	0.042	ASTM D6M