Table 3. Compounding Procedure for the ESBR Silica WMB/BR Silica DMB Blend Compounds

	Time (min)	Action	RPM
Step 1 (120°C)	0:00	ESBR silica WMB, BR silica DMB, ZEH, 40MSF	20
	0:40	RPM up	40
	5:40	ZnO, St/A, 6PPD	50
	12:00	Dump	50
Step 2(50°C)	0:00	Mix 1st MB	20
	0:20	Sulfur, cure accelerator (CBS, DPG, TBzTD)	50
	2:00	Dump	50