Table 1. Preparation of NBR Compound. (unit : phr)

Material	T-1	T-2
KNB 25LM	100	0
NBR 2255	0	100
St/A	1
ZnO	5
RD	2
3C	2
sunflux 682	1
SRF	40
GPF	30
DOA	14
Sulfur	0.5
NS	1.5
DM	1.0
TT	1.0