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Harmonized Tariff Schedule (2025 HTS Revision 10 (04/14/2025))

Search Key:aluminum oxide

Heading Duty(general) Duty(china) Article Description Compare Code
2818 Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: --
2818.10.20.10 1.3% The duty provided in the applicable subheading + 7.5% White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide vs-2818
2818.20.00.00 Free Aluminum oxide, other than artificial corundum vs-2818102010
9902.08.96 Free Fritted barium borosilicate glass with a mean particle size between 0.4 and 10 microns, Young's modulus of 71GPa, a density of 2.8 grams per cubic centimeter, radiopacity of 4.2, a refractive index of 1.53, and chemical composition of 55 percent silicon dioxide, 25 percent barium oxide, 10 percent boron trioxide and 10 percent aluminum oxide by weight (provided for in subheading 3207.40.10) vs-2818200000
9902.14.70 Free Catalytic converter needled blanket mats of ceramic fibers, containing over 65 percent by weight of aluminum oxide and not over 3 percent of acrylic latex organic binder, of a basis weight greater than or equal to 1745 g/m2, measuring 10.0 mm or more in thickness; the foregoing presented in bulk, sheets or rolls, designed for use in motor vehicles of heading 8703 (provided for in subheading 6806.10.00). vs-99020896
9902.14.71 0.1% Catalytic converter needled blanket mats of ceramic fibers, containing over 65 percent by weight of aluminum oxide and not over 3 percent by weight of acrylic latex organic binder, of a basis weight less than 1745 g/m2, measuring 5.0 mm or more but not over 9.9 mm in thickness; presented in bulk, sheets or rolls, designed for use in motor vehicles of heading 8703 (provided for in subheading 6806.10.00). vs-99021470
9902.14.72 2.1% Catalytic converter needled blanket mats of ceramic fibers containing over 65 percent by weight of aluminum oxide, containing an acrylic latex organic binder of greater than 3 percent and less than 7 percent by weight, of a basis weight less than 1745 g/m2, measuring at least 5.0 mm or no more than 9.9 mm in thickness, in bulk, sheets or rolls, designed for motor vehicles of heading 8703 (provided for in subheading 6806.10.00). vs-99021471
9902.14.73 Free Catalytic converter needled blanket mats of ceramic fibers, containing over 65 percent by weight of aluminum oxide and 3 percent or more but less than 7 percent by weight of acrylic latex organic binder, measuring 10.0 mm or more in thickness, of a basis weight greater than or equal to 1745 g/m2; presented in bulk, sheets or rolls, designed for use in motor vehicles of heading 8703 (provided for in subheading 6806.10.00). vs-99021472
2202.10.00.45 0.2¢/liter The duty provided in the applicable subheading + 25% In aluminum containers vs-99021473
2206.00.90.15 4.2¢/liter The duty provided in the applicable subheading + 25% In aluminum containers vs-2202100045
2505.10.10.00 Free The duty provided in the applicable subheading + 25% Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron vs-2206009015
2506.10.00.10 Free The duty provided in the applicable subheading + 25% Sands (other than natural) containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron vs-2505101000
2510 Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: vs-2506100010
2511 Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: vs-2510
2519 Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: vs-2511
2522 Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: vs-2519
2606.00.00 Free Aluminum ores and concentrates
Bauxite, calcined:
vs-2522
2610.00.00.20 Free Having a chromium content equivalent to not more than 40 percent chromic oxide (Cr2O3) vs-26060000
2620.40.00 Free Containing mainly aluminum vs-2610000020
2817.00.00.00 Free The duty provided in the applicable subheading + 25% Zinc oxide; zinc peroxide vs-26204000