What is HS code 690390 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
690390
Refractory ceramic goods; composition of which n.e.c. in heading no. 6903, other than those of siliceous fossil meals or similar earths
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-6 690390 when importing or exporting refractory ceramic goods that don't fit into other specific categories. This includes items like ceramic tubes and rods used in high-temperature applications, often found in industrial settings.
This code specifically covers refractory ceramics not made from siliceous fossil meals, distinguishing it from HS-6 690391, which includes those made from such materials. If your product is a ceramic support or nozzle that withstands extreme heat but isn't siliceous, this is the correct classification.
Refractory ceramics under this code are essential in industries such as metallurgy and ceramics manufacturing, where they are used to line furnaces or create specialized equipment. For example, ceramic crucibles for melting metals would fall under this HS-6.
When considering classification, remember that items like ceramic pipes for high-temperature gas transport also fit here, while similar products made from siliceous materials would require a different code.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
refractory ceramics · ceramic tubes · high-temperature applications · ceramic rods · industrial ceramics · crucibles · nozzles · support structures · ceramic slide gates · muffles · thermocouple sheaths · metal casting · furnace linings · non-siliceous ceramics
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Ceramic tubes used in high-temperature furnaces
- Refractory ceramic rods for industrial applications
- Crucibles made from non-siliceous refractory ceramics
- Nozzles for gas burners made of refractory materials
- Support structures for melting furnaces
- Ceramic slide gates used in metal casting
- High-temperature ceramic sheaths for thermocouples
- Muffles made from refractory ceramics for kilns
Common questions
Frequent classification questions with short practical guidance.
How to classify refractory ceramic goods?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Are ceramic tubes under HS-6 690390?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What products fall under HS-6 690390?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Differences between HS-6 690390 and 690391?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Can I use HS-6 690390 for crucibles?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are refractory ceramics examples?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How to determine the right HS code for ceramics?
Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.
Related topics
Common real-world topics that come up during code comparison.
What types of refractory ceramics are classified under HS-6 690390?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
How do I classify ceramic nozzles for high-temperature use?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Are there specific requirements for HS-6 690390 products?
Use this as a checklist topic, then confirm legal requirements with your broker or customs advisor.
What is the difference between refractory and siliceous ceramics?
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Can I ship ceramic rods under HS-6 690390?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What should I know about importing refractory ceramic goods?
Check the exact product specs and destination-country tariff notes before finalizing the code.
How to find the correct HS code for ceramic tubes?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What are the applications of products under HS-6 690390?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What products are classified under HS-6 690390?
- HS-6 690390 covers refractory ceramic goods like tubes, rods, crucibles, nozzles, and support structures that are not made from siliceous fossil meals.
- How do I know if my ceramic product fits HS-6 690390?
- If your ceramic product is designed for high-temperature applications and does not contain siliceous materials, it likely falls under HS-6 690390.
- What is the difference between HS-6 690390 and HS-6 690391?
- HS-6 690390 includes refractory ceramics not made from siliceous fossil meals, while HS-6 690391 covers those that are made from such materials.
- Can I use HS-6 690390 for ceramic crucibles?
- Yes, ceramic crucibles that are designed for high-temperature use and do not contain siliceous materials can be classified under HS-6 690390.
- What are some examples of refractory ceramics?
- Examples include ceramic tubes, rods, nozzles, and crucibles used in industrial applications like metal melting and furnace linings.
- Are there specific regulations for importing HS-6 690390 products?
- Yes, you should check local regulations regarding the import of refractory ceramics, as they may vary by country and product type.
- How can I ensure accurate classification of my ceramic goods?
- Review the product composition and intended use, and consult with a customs broker if you're unsure about the correct HS code.
- What should I do if my product is similar to those in HS-6 690390?
- If your product closely resembles those in HS-6 690390 but has different materials or uses, consult with a customs expert to determine the right classification.
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