Alumina Crucible for Laboratory Use
High-purity alumina crucible containing over 90% alumina (Al2O3) by weight, designed for melting and holding metals or chemicals in laboratory furnaces. Fired after shaping at temperatures exceeding 800°C, it qualifies as a refractory ceramic good under tariff item 6903.20.00.
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 |
PGA flags (1)Show detailsHide detailsHCConsumer Products SafetyMay be required
- HC
Consumer Products Safety · May be required
May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37). Matching criteria: Equal To 6903200000; Equal To 6903200000. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the alumina content is 50% or less
Other refractory ceramic goods fall under this item.
If the crucible is specifically for laboratory use
Laboratory ceramic ware is classified 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
• Verify the crucible's alumina content exceeds 50% by weight and that it has been fired above 800°C
• Keep supplier certificates for customs clearance
• Note that crucibles for laboratory use may be classified under heading 6909 if not primarily refractory
Related Products under Tariff item 6903.20.00
Alumina Ceramic Retort for Chemical Processing
Fired alumina retort containing over 80% alumina (Al2O3) by weight, used for high-temperature chemical reactions and distillation processes. This refractory vessel withstands corrosive environments and thermal shock, meeting the criteria for refractory ceramic goods under tariff item 6903.20.00.
Alumina Ceramic Support for Catalyst Bed
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Fired alumina ceramic tube containing 99% alumina (Al2O3), used to protect thermocouples in high-temperature furnaces and kilns. This essential refractory component for temperature measurement in industrial processes falls under tariff item 6903.20.00.
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