Table 2. Formulation of Silica/SBR Compounds (unit: phr)
SBR
Silica
Si-69
ZnO
a
S/A
b
RD
c
P-3
d
NS
Sulfur
100
50
4
3
1
1
1
1
2
S/A: Stearic Acid,
RD: 2,2,4-Trimethyl-1,2-dihydroquinoline,
P-3: Process oil,
NS: N-t-butyl-2-benzothiazole sulfenamide