Heading 2530

HTS code 2530 — Mineral substances not elsewhere specified or included

Chapter
25 — Salt, stone and cement
Tariff lines
8
General duty
General duty rate of 2.9%, with 7 duty-free lines

Tariff lines under heading 2530

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
2530.10.0000Vermiculite, perlite and chlorites, unexpanded (Mineral substances not elsewhere specified or included)Freekg
2530.20.1000Kieserite (Mineral substances not elsewhere specified or included > Kieserite, epsom salts (natural magnesium sulfates))Freekg
2530.20.2000Epsom salts (Mineral substances not elsewhere specified or included > Kieserite, epsom salts (natural magnesium sulfates))Freekg
2530.90.1000Natural cryolite; natural chiolite (Mineral substances not elsewhere specified or included > Other)Freet
2530.90.2000Natural micaceous iron oxides (Mineral substances not elsewhere specified or included > Other)2.9%kg
2530.90.8010Celestite (Mineral substances not elsewhere specified or included > Other > Other)Freekg
2530.90.8015Earth colors (Mineral substances not elsewhere specified or included > Other > Other)Freekg
2530.90.8050Other (Mineral substances not elsewhere specified or included > Other > Other)Freekg

Documents required to import under 2530

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

Common questions

What is HTS code 2530?
HTS heading 2530 covers mineral substances not elsewhere specified or included. It sits in Chapter 25 (salt, stone and cement) of the US Harmonized Tariff Schedule and contains 8 tariff lines.
What is the duty rate for HTS 2530?
General duty rate of 2.9%, with 7 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 2530 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 25