HTS Code Lookup – Find Tariff Codes by Product or Number
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Chapter 28 - HTS Codes for Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Containing by weight less than 99.99 percent but not less than 99 percent of silicon
Containing less than 65 percent available diphosphorus pentaoxide (p<sub>2</sub>o<sub>5</sub>) equivalents
White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide
Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight
Carbonates and peroxocarbonates "percarbonates"; commercial ammonium carbonate containing ammonium carbamate (excluding disodium carbonate, sodium hydrogencarbonate "sodium bicarbonate", potassium carbonates, calcium carbonate, barium carbonate, lithium carbonates, strontium carbonate and inorganic or organic compounds of mercury)
Double or complex silicates, including aluminosilicates whether or not chemically defined
Uranium enriched in u235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in u235, plutonium or compounds of these products
Radioactive elements, isotopes and compounds, and alloys and dispersions, incl. cermets, ceramic products and mixtures, containing these elements, isotopes and compounds; radioactive residues (excluding natural uranium, uranium enriched and depleted in u 235; plutonium, thorium and compounds of these products)
Radioactive elements and isotopes and compounds other than those of subheadings 2844.10, 2844.20, and 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues
Americium-241, californium-252, curium-244, cesium-137, gadolinium-153, iridium-192, promethium-147, radium-226, selenium-75, or ytterbium-169
Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent
Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide
Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous