Table 2. Mixing Procedure of Masterbatches for Y-blending

Types NR/CB MB BR/CB MB ENR/silica MB BR/silica MB
Time (min:s) Action
0:00 Add NR Add BR Add ENR Add BR
1:30 Add ½ (CB + oil) Add ½ (Silica + silane + DPG + oil)
2:30 Add ½ (CB + oil) Add ½ (Silica + silane + DPG + oil)
5:30 Dump (dump temp.: 140°C-145°C) Ram up
7:30 - Dump (dump temp.: 150°C-155°C)