HS 25 Fluorspar, containing by weight >97% of calcium fluoride
HS 25 Salt; sulfur; earths and stone; plastering materials, lime and cement
HS 2529 Feldspar; leucite, nepheline and nepheline syenite; fluorspar:
HS 2529.10 -
HS 2529.22 Containing by weight more than 97 percent of calcium fluoride
HS 2529.22.00 (same as previous)
HS 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals,of radioactive elements or of isotopes
HS 28 Hydrogen fluoride (hydrofluoric acid)
HS 2811 Other inorganic acids and other inorganic oxygen compounds of nonmetals:
HS 2811.11 Hydrogen fluoride (Hydrofluoric acid)
HS 2811.11.00 (same as previous)
HS 2826 Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts:
HS 2826.30 Other:
HS 2844 Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products:
HS 2844.20 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
HS 2844.20.00 (same as previous)
HS 2844.30 Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products:
HS 2844.30.20 Uranium compounds
HS 29 Organic chemicals
HS 2904 Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated:
HS 2904.36 Perfluorooctane sulfonyl fluoride
HS 2904.36.00 (same as previous)
HS 38 Miscellaneous chemical products
HS 3824 Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included:
HS 3824.87 Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride
HS 3824.87.00 (same as previous)