Mullite Porcelain Support Insulator
Mullite porcelain support insulators for industrial electric furnaces and kilns. These high-temperature ceramic insulators provide electrical insulation and mechanical support in extreme heat.
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 |
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 insulators are specifically designed as parts of electric furnaces
Parts of electric furnaces of heading 85.14 may be classified under this item.
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
• Classify mullite porcelain insulators under tariff item 8546.90.00 as other ceramic electrical insulators
• Provide data on maximum operating temperature and dielectric strength
• Verify if the insulators are parts of furnaces, which may affect classification
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