Influence of Polyphosphoric Acid on the Consistency and Composition of Formulated Bitumen: Standard Characterization and NMR Insights

Table 1

Composition (wt.%) of the bitumen formulations.

Blend	Component
	AR	VR	SN1	SN2	SN3
Bit1	84.80		15.20
Bit2	78.44			21.56
Bit3	78.39				21.61
Bit4	77.31	9.99	12.70
Bit5	70.69	10.02		19.29
Bit6	72.27	10.06			17.67
Bit7	30.00	70.00