... 2.SKI-3/SKI-3S 3.synthetic isoprene rubber For the rubber ,we can supply Korea ,Russia ,Japan, America ,Poland, Iran ,Serbia ... , IR2200,SKI-3S ,BK 1675N, SBS 792 791H 815. Specifications:Polyisoprene Rubber IR2200/SKI-3,SKI-3S,SKI-5PMOrigin: ZEON,JAPAN,RssiaPacking ...