TARIC 3901.90.30.00 — Ionomer resin consisting of a salt of a terpolymer of ethylene with isobutyl acrylate and methacrylic acid; A-B-A block copolymer of polystyrene, ethylene-butylene copolymer and polystyrene, containing by weight 35|% or less of styrene, in one of the forms mentioned in note|6(b) to this chapter | TariffCodex