List of Manufacturers & Suppliers Based on HS Codes in Italy - Chapter 28

281122 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Other inorganic acids and other inorganic oxygen compounds of non-metals. -- Silicon dioxide

281820 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. - Aluminium oxide, other than artificial corundum

282110 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3. - Iron oxides and hydroxides

283630 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. - Sodium hydrogencarbonate (sodium bicarbonate)

283650 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. - Calcium carbonate

284210 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. - Double or complex silicates, including aluminosilicates whether or not chemically defined

285390 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes 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. - Other