4002.19.00.14—Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip, styrene-butadiene-styrene block co- polymers produced by solution polymerization (SBS, thermoplastic elastormers), in granules, crumbs or powders