What types of ceramic goods fall under HS-4 6903?

HS-4 6903 includes items like retorts, crucibles, tubes, and nozzles, specifically designed for high-temperature applications.

How do I determine the correct HS-6 subheading for my ceramic product?

Check the material composition: use **690310** for over 50% free carbon, **690320** for over 50% alumina, and **690390** for other refractory ceramics.

What does 'n.e.c.' mean in the context of HS-6 690390?

'N.e.c.' stands for 'not elsewhere classified,' indicating that these ceramics do not fit into the specified categories of the other subheadings.

Are there any specific packaging requirements for importing ceramic goods?

While there are no specific packaging requirements for HS-4 6903, ensure that goods are well-protected to prevent damage during transport.

What should I do if my ceramic goods contain a mix of materials?

Analyze the predominant material content to determine the appropriate HS-6 subheading for classification.

HS-4 · Heading

6903 — Ceramic goods; (e.g. retorts, crucibles, muffles, nozzles, plugs, supports cupels, tubes, pipes, sheaths, rods and slide gates) excluding those of siliceous fossil meals or of similar siliceous earths

Chapter 69: Ceramic products

Plain-language overview

Use HS-4 6903 when importing ceramic goods such as retorts, crucibles, or tubes. These items are essential in various industrial processes, particularly in high-temperature applications. If your shipment includes refractory ceramics, you’ll need to determine the specific subheading based on the material composition.

When deciding between the HS-6 lines, consider the carbon and alumina content in your ceramic goods. For example, if your product contains more than 50% free carbon, classify it under 690310. If it has over 50% alumina, then 690320 is the correct choice. This distinction is crucial for compliance and accurate duty assessment.

If your ceramic goods don't fit neatly into the first two categories, check 690390. This line covers refractory ceramics that don't meet the specific criteria of the other subheadings. It's important to review the material composition and ensure it aligns with the definitions provided.

Keywords & topics

Short phrases that describe this HS-4 heading when you're searching or filtering schedules.

ceramic goods import · refractory ceramics classification · HS-4 6903 · retorts and crucibles · alumina content ceramics · free carbon ceramics · industrial ceramic products · duty classification ceramics · ceramic tubes HS-6 · high-temperature ceramic goods

Examples

Drawn from the official tariff wording for this HS-4 heading. Always confirm against your published schedule and legal notes.

Refractory crucibles used in metal casting
Ceramic tubes for high-temperature furnaces
Nozzles made from refractory materials
Support rods for industrial kilns
Slide gates in ceramic processing
Muffles for laboratory applications
Plugs for sealing high-temperature vessels

Common questions

How people often phrase their search when they're trying to classify goods like yours.

What are refractory ceramic goods?
How to classify ceramic imports?
What is the difference between HS-6 690310 and 690320?
Which subheading for ceramic tubes?
How to determine carbon content in ceramics?
What does n.e.c. mean in HS-4 6903?

Questions & answers

For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.

What types of ceramic goods fall under HS-4 6903?: HS-4 6903 includes items like retorts, crucibles, tubes, and nozzles, specifically designed for high-temperature applications.
How do I determine the correct HS-6 subheading for my ceramic product?: Check the material composition: use **690310** for over 50% free carbon, **690320** for over 50% alumina, and **690390** for other refractory ceramics.
What does 'n.e.c.' mean in the context of HS-6 690390?: 'N.e.c.' stands for 'not elsewhere classified,' indicating that these ceramics do not fit into the specified categories of the other subheadings.
Are there any specific packaging requirements for importing ceramic goods?: While there are no specific packaging requirements for HS-4 6903, ensure that goods are well-protected to prevent damage during transport.
What should I do if my ceramic goods contain a mix of materials?: Analyze the predominant material content to determine the appropriate HS-6 subheading for classification.

Continue classification

Parent context

HS code directory Chapter 69

Nearby siblings

Previous HS-4 6902 Next HS-4 6904

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HS-6 subheadings (3)

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