| Types | Silica-filled ENR/BR blend compounds (Dump temp.: 150°C 155°C) | ||||
|---|---|---|---|---|---|
| ENR/BR/silica-C (7:30) | ENR/BR/silica-C (15:00) | ENR/BR/silica-Y | |||
| step | Time (min:s) | Action | |||
| first stage | 0:00 | Add Rubber (ENR/BR) | Add ENR/silica MB and BR/silica MB | ||
| 1:30 | Add ½ (Silica + silane + DPG + oil) | - | |||
| 2:30 | Add ½ (Silica + silane + DPG + oil) | - | |||
| 3:30 | Add additives | ||||
| 5:30 | Ram up | ||||
| 7:30 | Dump | - | Dump | ||
| 15:00 | - | Dump | - | ||
| second stage | 0:00 | MB from first stage (initial temp.: 50°C) | |||
| 0:30 | Add curatives | ||||
| 2:30 | Dump (dump temp.: 80°C 90°C) | ||||