Cermet Seal Rings
Mechanical seal faces made from silicon carbide-metal cermets, used in pumps for chemical resistance. These seal rings are classified as cermet articles under 8113.00.00 because they are formed from a sintered ceramic-metal composite providing chemical resistance.
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 seal rings are presented as parts of pumps
Parts of machinery of Section XVI are excluded from Chapter 81 by Section XV Note 1(f).
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 seal rings are not parts of pumps under Section XVI, which would exclude them from Chapter 81
• Provide a technical datasheet showing the cermet composition to the CBSA
• Verify the rings are not classified as parts of general use under Section XV Note 2
Related Products under Tariff item 8113.00.00
Cermet Armor Tiles
Lightweight ballistic armor tiles manufactured from a boron carbide-metal matrix cermet composite. These tiles are designed for use in protective armor systems and qualify as cermets under tariff item 8113.00.00 because they consist of a microscopic heterogeneous combination of a metallic and ceramic component.
Cermet Bearing Bushings
Self-lubricating bearing bushings made from aluminum oxide-titanium cermets, designed for high-temperature bearing applications. These bushings are classified as cermet articles under 8113.00.00 because they are formed from a sintered metal-ceramic composite with a hard, low-friction structure.
Cermet Extrusion Dies
Long-life extrusion dies manufactured from tantalum carbide cermets, used for wire drawing applications. These dies are classified under 8113.00.00 as cermet articles because they are made from a sintered composite of ceramic carbide and metallic binder, providing superior deformation resistance.
Cermet Heat Exchanger Plates
Corrosion-resistant heat exchanger plates made from oxide-metal cermets, designed for compact heat exchangers. These plates are classified as cermet articles under 8113.00.00 due to their sintered ceramic-metal composite structure, which provides enhanced corrosion resistance.
Cermet Nozzle for Injection Molding
High-wear nozzles made from chrome carbide cermets, used in plastic injection molding machines. These nozzles are classified under 8113.00.00 as cermet articles because they are formed from a ceramic-metal composite that offers thermal shock resistance and wear resistance.
Cermet Powder for Additive Manufacturing
Fine spherical powder of tungsten carbide-cobalt cermet, prepared for additive manufacturing of wear parts. This powder is classified under 8113.00.00 as a cermet product because it consists of a sintered metal carbide composite, and the term cermets includes sintered metal carbides per Section XV Note 4.