Heading 2818

HTS code 2818 — Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide

Chapter
28 — Inorganic chemicals
Tariff lines
5
General duty
General duty rate of 1.3%, with 3 duty-free lines

Tariff lines under heading 2818

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
2818.10.1000Crude (Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide > Artificial corundum, whether or not chemically defined)Freet
2818.10.2010White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide (Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide > Artificial corundum, whether or not chemically defined > In grains, or ground, pulverized or refined)1.3%kg
2818.10.2090Other (Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide > Artificial corundum, whether or not chemically defined > In grains, or ground, pulverized or refined)1.3%kg
2818.20.0000Aluminum oxide, other than artificial corundum (Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide)Freekg
2818.30.0000Aluminum hydroxide (Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide)Freekg

Documents required to import under 2818

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

  • Safety Data Sheet (SDS/MSDS)Required
  • EPA TSCA CertificationConditional

    Required for chemical substances regulated under TSCA

  • EPA Notice of Arrival (Form 3540-1)Conditional

    Required for pesticides and devices (typically Ch. 38)

Common questions

What is HTS code 2818?
HTS heading 2818 covers artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide. It sits in Chapter 28 (inorganic chemicals) of the US Harmonized Tariff Schedule and contains 5 tariff lines.
What is the duty rate for HTS 2818?
General duty rate of 1.3%, with 3 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 2818 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 28