High and Low Temperature Properties of FT-Paraffin-Modified Bitumen

Table 3

Physical properties of Sasobit modified bitumen.

Characteristic	Bitumen Type
	PG58-22	PG58-22 +	PG58-22 +	PG58-22 +	PG58-22 +	PG58-22 +
		1% Sasobit	2% Sasobit	2.5% Sasobit	3% Sasobit	4% Sasobit
Penetration (dmm)	62	56	51	49	48	42
Softening point (^°C)	49	50	52	57	59	72
Ductility (cm)	>100	>100	98	95	89	58
Kinematic viscosity (v) at 135^°C	420	415	408	405	403	379
Penetration index (PI)	−1.12	−0.94	−0.64	0.65	0.73	2.7
Penetration viscosity number (PVN)	−0.56	−0.69	−0.9	−0.93	−0.97	−1.17