Synonyms: STYRENE/ISOPRENE, ABA BLOCK COPOLYMER;POLYSTYRENE-BLOCK-POLYISOPRENE-BLOCK-POLYSTYRENE;Benzene,ethenyl-,polymerwith2-methyl-1,3-butadiene;Styrene,polymerwithisoprrene;STYRENE/ISOPRENE COPOLYMER;POLYSTYRENE-BLOCK-POLYISOPRENE-BLOCK-POL YSTYRENE, 14 WT. % STYRENE;POLYSTYRENE-BLOCK-POLYISOPRENE-BLOCK-POL YSTYRENE, 22 WT. % STYRENE;POLYSTYRENE-BLOCK-POLYISOPRENE-BLOCK-POL YSTYRENE, 17 WT. % STYRENE