Determination of Dynamic Mechanical Properties on Addition of Carbon Black-Nanosilica Hybrid Fillers in NR-SBR Blends with Special Reference to Power Transmission Belt Applications

Table 3

Mixing procedure for sample preparation.

Time (min)	Order of addition of materials to lab scale two-roll mill
0.00	Add NR
1.00	Add SBR
2.00	Add ZnO and stearic acid
3.00	Add TDQ and nanosilica
4.00	Add carbon black and processing aids
5.00	Add sulphur and other accelerators
6.00	Homogenizing and sheeting