Reaction-Bonded Silicon Carbide Nozzle
A reaction-bonded silicon carbide ceramic nozzle for powder metallurgy spray drying applications. This refractory ceramic good is fired after shaping and falls under tariff item 6903.90.00 as an 'other' refractory article. Its ability to survive abrasive high-velocity flows makes it suitable for industrial processing.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the nozzle is used for technical ceramic applications rather than refractory purposes
Ceramic wares for technical uses, such as nozzles for industrial processes, may fall under heading 6909.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the nozzle is fired above 800°C to qualify under Chapter 69; include material composition details
• Classify under 6903.90.00 as a refractory ceramic good and ensure it is not part of a machine classifiable under Chapter 84
• Verify the firing process for accurate classification
Related Products under Tariff item 6903.90.00
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A high-alumina ceramic retort designed for laboratory pyrolysis and gas synthesis reactions at temperatures exceeding 1600°C. This product is a refractory ceramic good, fired after shaping, and falls under tariff item 6903.90.00 as an 'other' refractory article. Its pure oxide composition and high-temperature resistance make it essential for chemical processing applications.
Alumina Crucible
A high-purity alumina ceramic crucible used for melting and holding metals or chemicals at high temperatures in laboratories and foundries. This product is a refractory ceramic good, fired after shaping, and falls under tariff item 6903.90.00 as an 'other' refractory article. Its ability to withstand extreme temperatures and chemical corrosion makes it suitable for demanding metallurgical processes.
Ceramic Ladle Plunger
A zirconia-graphite ceramic plunger for stirring molten steel in secondary refining ladles. This refractory ceramic good is fired after shaping and falls under tariff item 6903.90.00 as an 'other' refractory article. Its high-fired construction provides extreme corrosion resistance, essential for steelmaking immersion devices.
Ceramic Pug Mill Nozzle
A silicon carbide nozzle for high-pressure ceramic pug mills extruding clay products. This refractory ceramic good is fired after shaping and falls under tariff item 6903.90.00 as an 'other' refractory article. Its resistance to abrasive clay slips and high temperatures makes it suitable for industrial ceramic processing equipment.
Cordierite Kiln Support Shelf
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Cupel for Fire Assay
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