TARIC 3815.90.90.30 — Catalyst, consisting of a suspension in mineral oil of: -|tetrahydrofuran complexes of magnesium chloride and titanium(III) chloride; and -|silicon dioxide -|containing 6,6|% (± 0,6|%) by weight of magnesium, and -|containing 2,3|% (± 0,2|%) by weight of titanium | TariffCodex