WCO Trade Tools ofrece información esencial para apoyar su actividad comercial.
Sistema armonizado
Sección V > Capítulo 25 > Encabezado 2508
Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths.
Sección V > Capítulo 25 > Encabezado 2523
Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers.
Sección V > Capítulo 25 > Encabezado 2516
Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape.
Sección V > Capítulo 25 > Encabezado 2506
Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape.
Sección V > Capítulo 25 > Encabezado 2512
Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less.
Sección V > Capítulo 25 > Encabezado 2521
Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement.
Sección VI > Capítulo 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Sección VI > Capítulo 29 > Encabezado 2903
Halogenated derivatives of hydrocarbons.
Sección VI > Capítulo 29 > Encabezado 2905
Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives.
Sección VI > Capítulo 28 > Encabezado 2853
Phosphides, whether or not chemically defined, excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals.