Research on Rejuvenation of Styrene-Butadiene-Styrene Block Copolymer Modified Asphalt with Rejuvenating Agent Based on Pre-Mixing Method

Table 6

Test data of rotation viscosity at 135°C of regenerated asphalt with regenerant.

Rejuvenating agent content, %	Rotation viscosity at 135°C, Pa·s
	0	4	8	12	16	100
Group 1	3.457	2.752	2.006	1.515	1.208	0.722
Group 2	3.426	2.765	2.033	1.556	1.219	0.721
Group 3	3.457	2.814	1.995	1.515	1.225	0.720
Group 4	3.464	2.784	2.003	1.553	1.238	0.734
Group 5	3.436	2.743	2.053	1.550	1.233	0.733
Group 6	3.467	2.734	2.007	1.513	1.220	0.731
Mean value	3.451	2.765	2.016	1.534	1.224	0.727