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

Heading Duty(general) Duty(china) Article Description Compare Code
2518.10.00.00 Free  The duty provided in the applicable subheading + 25%  Dolomite, not calcined or sintered --
2518.20.00.00 3%  The duty provided in the applicable subheading + 25%  Calcined or sintered dolomite vs-2518100000
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-2518200000
2519.10.00.00 Free    Natural magnesium carbonate (magnesite) vs-2519
2519.90     Other: vs-2519100000
2519.90.10.00 Free    Fused magnesia and dead-burned (sintered) magnesia vs-251990
2519.90.20.00 Free    Caustic calcined magnesite vs-2519901000
2519.90.50.00 Free    Other vs-2519902000
2520     Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders: vs-2519905000
2520.10.00.00 Free  The duty provided in the applicable subheading + 25%  Gypsum; anhydrite vs-2520
2520.20.00.00 Free  The duty provided in the applicable subheading + 25%  Plasters vs-2520100000
2521.00.00.00 Free  The duty provided in the applicable subheading + 25%  Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement vs-2520200000
2522     Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: vs-2521000000
2522.10.00.00 Free  The duty provided in the applicable subheading + 25%  Quicklime vs-2522
2522.20.00.00 Free  The duty provided in the applicable subheading + 25%  Slaked lime vs-2522100000
2522.30.00.00 Free  The duty provided in the applicable subheading + 25%  Hydraulic lime vs-2522200000
2523     Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: vs-2522300000
2523.10.00.00 Free  The duty provided in the applicable subheading + 25%  Cement clinkers
Portland cement:
vs-2523
2523.21.00.00 Free  The duty provided in the applicable subheading + 25%  White cement, whether or not artificially colored vs-2523100000
2523.29.00.00 Free  The duty provided in the applicable subheading + 25%  Other vs-2523210000