Table 1. The Compounding Formulation of Reclaimed Rubber by Different Zeolite Contents.

			Unit	NS2-1	NS2-2	NS2-3	NS2-4
Formula	Rubber	Reclaimed tire rubber	Phr	100	100	100	100
	Curing	Acc. NS		0.8	0.8	0.8	0.8
		ZnO		2.5	2.5	2.5	2.5
		SA		0.3	0.3	0.3	0.3
		S		1.2	1.2	1.2	1.2
	Anti-odor agent	Zeolite		0	3	5	10
	Total			104.8	107.8	109.8	114.8