Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)

Chapter 99 measures that list this product

Each heading’s own text says whether the listing adds duty or exempts the product. Read the heading and its note before relying on a rate.

• 9903.88.03Section 301+25%

  Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided…

  ChinaU.S. note 20(f)
• 9903.90.08Country provisionsSee heading

  Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter

  RussiaU.S. note 30(b)

Measures on products of any country (check their exceptions)

• 9903.01.25Country provisions+10%

  Articles the product of any country, except for products described in headings 9903.01.26–9903.01.33, 9903.02.02–9903.02.91, 9903.96.01, and 9903.96.02, and except as provided for in headings 9903.01.34 and 9903.02.01, as provided for in subdivision (v) of U.S. note 2 to this subchapter

  Any country
• 9903.02.01Country provisions+40%

  Articles the product of any country determined by U.S. Customs and Border Protection to have been transshipped to evade applicable duties under section 2 of Executive Order [Insert EO number], as amended [Compiler's note: [Insert EO Number] refers to Executive Order 14326, 90 Fed. Reg. 37963.]

  Any country
• 9903.03.01Section 122+10%

  Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

  Any country
• 9903.45.30Other25%

  Quartz surface products, as defined in U.S. note 41(a) to this subchapter, when the product of any country not exempt under U.S. note 41(c) to this subchapter, if entered in an aggregate quantity not exceeding the quantity defined in U.S. note 41(d) to this subchapter

  Any country
• 9903.45.31Other50%

  Quartz surface products, as defined in U.S. note 41(a) to this subchapter, when the product of any country not exempt under U.S. note 41(c) to this subchapter, if entered in an aggregate quantity exceeding the quantity defined in note 41(d) to this subchapter

  Any country
• 9903.82.12Section 232+25%

  Except as provided for in headings 9903.82.17 and 9903.85.68, derivative aluminum and steel articles the product of any country identified in general note 3(b), as provided for in subdivisions (c)(ix)–(x) of U.S. note 16 to this subchapter

  Any country

Provisions this line’s footnotes point to

• 9903.90.08Country provisionsSee heading

  Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter

  Russia

Footnote: See 9903.90.08.