Biodiesel as a Plasticizer of a SBR-Based Tire Tread Formulation

Table 5

Cured physical properties.

	Reference	Biodiesel
Tensile strength (MPa)	18.7	16.9
Modulus at 50% (MPa)	1.06	0.88
Modulus at 100% (MPa)	1.69	1.29
Modulus at 200% (MPa)	4.29	2.90
Modulus at 300% (MPa)	8.26	5.61
Modulus at 400% (MPa)	12.28	8.70
Modulus at 500% (MPa)	16.03	11.73
Elongation at break %	580	687
Hardness shore A	69	64
Hardness shore A at 100°C	57	54