Heading 6904

HTS code 6904 — Ceramic building bricks, flooring blocks, support or filler tiles and the like

Chapter
69 — Ceramics
Tariff lines
5
General duty
Duty-free under the general rate

Tariff lines under heading 6904

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
6904.10.0010Heat insulating (Ceramic building bricks, flooring blocks, support or filler tiles and the like > Building bricks > Solid bricks)Freethousands
6904.10.0020Other (Ceramic building bricks, flooring blocks, support or filler tiles and the like > Building bricks > Solid bricks)Freethousands
6904.10.0030Heat insulating (Ceramic building bricks, flooring blocks, support or filler tiles and the like > Building bricks > Hollow bricks)Freethousands
6904.10.0040Other (Ceramic building bricks, flooring blocks, support or filler tiles and the like > Building bricks > Hollow bricks)Freethousands
6904.90.0000Other (Ceramic building bricks, flooring blocks, support or filler tiles and the like)Freethousands

Documents required to import under 6904

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 6904?
HTS heading 6904 covers ceramic building bricks, flooring blocks, support or filler tiles and the like. It sits in Chapter 69 (ceramics) of the US Harmonized Tariff Schedule and contains 5 tariff lines.
What is the duty rate for HTS 6904?
Duty-free under the general rate. 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 6904 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 69