Effects of Blend Ratio and SBR Type on Properties of Carbon Black-Filled and Silica-Filled SBR/BR Tire Tread Compounds

Table 3

Hardness, modulus, tensile strength and tear strength of the rubber vulcanizates.

Blend ratio	CB-filled system				Silica-filled system
	Hardness; (Shore A)	Tensile strength; (MPa)	(MPa)	Tear strength; (N/mm)	Hardness; (Shore A)	Tensile strength; (MPa)	(MPa)	Tear strength; (N/mm)
S-SBR/BR
100/0
90/10
80/20
70/30
E-SBR/BR
100/0
90/10
80/20
70/30
Pure BR
0/100