Harmonized Tariff Schedule of the United States · HTS code · HS 2530.90
2530.90.10: Other mineral substances: Natural cryolite; natural chiolite
Other mineral substances
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 2530 Mineral substances not elsewhere specified or included:
- 2530.90 Other:
- 2530.90.10 Natural cryolite; natural chiolite
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 1
- Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
- Applies to goods from
- China
- In force
- from 24 September 2018
- Legal act
- HTSUS 9903.88.03
Same subheading in other tariffs
2530.90 Mineral substances not elsewhere specified or included: other
UK Free Third-country duty 5 tariff lines 
EU Free Third-country duty 4 tariff lines 
Türkiye Free Third-country duty 4 tariff lines 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 2 tariff lines 
Brazil 3.6% Third-country duty 5 tariff lines 
Argentina 3.6% Third-country duty 15 tariff lines 
Peru Free Third-country duty 3 tariff lines 
New Zealand Free Third-country duty 3 tariff lines 
Japan Free Third-country duty 1 tariff line 
Taiwan Free – 2.5% Third-country duty 13 tariff lines · average 1.6% 
GCC 5% Third-country duty 34 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 4 tariff lines 
Nigeria 5% Third-country duty 1 tariff line USA lines: 2530.90
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- H342780 U.S. CBP
Revocation of NY N306461; Modification of NY 853255; Tariff Classification of Molybdenum Disulphide Powder
- N335295 U.S. CBP
The tariff classification of lightweight aggregate from China.
- H311301 U.S. CBP
Revocation of NY F86134, NY N004112, NY N004200, and NY N015557; Classification of Certain Mineral Stones
- N311387 U.S. CBP
The tariff classification of crushed natural zeolite from Mexico.
Legal notes
Notes
1. Except where their context or note 4 to this chapter otherwise requires, the headings of this chapter cover only products which are in the crude state or which have been washed (even with chemical substances eliminating the impurities without changing the structure of the product), crushed, ground, powdered, levigated, sifted, screened, concentrated by flotation, magnetic separation or other mechanical or physical processes (except crystallisation), but not products which have been roasted, calcined, obtained by mixing or subjected to processing beyond that mentioned in each heading.
The products of this chapter may contain an added anti-dusting agent, provided that such addition does not render the product particularly suitable for specific use rather than for general use.
2. This chapter does not cover:
(a) sublimed sulphur, precipitated sulphur or colloidal sulphur (heading 2802);
(b) earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 (heading 2821);
(c) medicaments or other products of Chapter 30;
(d) perfumery, cosmetic or toilet preparations (Chapter 33);
(e) dolomite ramming mix (heading 3816);
(f) setts, curbstones or flagstones (heading 6801); mosaic cubes or the like (heading 6802); roofing, facing or damp-course slates (heading 6803);
(g) precious or semi-precious stones (heading 7102 or 7103);
(h) cultured crystals (other than optical elements) weighing not less than 2,5 g each, of sodium chloride or of magnesium oxide, of heading 3824; optical elements of sodium chloride or of magnesium oxide (heading 9001);
(ij) billiard chalks (heading 9504); or
(k) writing or drawing chalks or tailors' chalks (heading 9609).
3. Any products classifiable in heading 2517 and any other heading of the chapter are to be classified in heading 2517.
4. Heading 2530 applies, inter alia, to: vermiculite, perlite and chlorites, unexpanded; earth colours, whether or not calcined or mixed together; natural micaceous iron oxides; meerschaum (whether or not in polished pieces); amber; agglomerated meerschaum and agglomerated amber, in plates, rods, sticks or similar forms, not worked after moulding; jet; strontianite (whether or not calcined), other than strontium oxide; broken pieces of pottery, brick or concrete.
HTS code 2530.90.10 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 2530.90 (mineral substances not elsewhere specified or included: other).
The general duty is free, and quantities are declared in t.
For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is 3.6%, the Argentina duty is 3.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is 0%–2.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
The United States imported goods of subheading 2530.90 worth US$84m in 2024; the largest supplier was Mexico.
Questions and answers
What is the USA import duty for HTS code 2530.90.10?
The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is t. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 2530.90 as a whole, the largest supplier in 2024 was Mexico (US$22m), followed by Canada.