Table 3. The Compounding Formulation of Reclaimed and Virgin Rubber.

		Phr
Rubber	Reclaimed rubber(NR)	50
	Virgin NR	50
Processing aid	Wasted rubber powder(NR)	0
	NS	0.8
	ZnO	2.5
	Stearic acid	0.3
	Sulfer	1.2
Total		104.8