Silicon-Doped Artificial Graphite Blocks
Silicon-Doped Artificial Graphite Blocks are pre-formed blocks of artificial graphite embedded with silicon, used as active anode material in high-capacity batteries. They are classified under tariff item 3801.90.00 as silicon-containing graphite in block semi-manufacture form.
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 blocks are considered chemical preparations
Heading 38.24 covers other chemical products, which may apply if the graphite is not the primary component.
If the blocks are presented as identifiable battery parts
Battery parts are classified in heading 85.07 when they meet the criteria for parts.
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
• Ensure the blocks are documented as semi-manufactured graphite, not finished battery components, for CBSA classification
• Provide the silicon doping percentage and the block's dimensions to support the classification
• Verify if the blocks qualify for duty-free treatment under trade agreements
Related Products under Tariff item 3801.90.00
Artificial Graphite Conductive Paste
A conductive paste formulated from artificial graphite, used in electronics manufacturing for thermal interface materials and conductive coatings. This paste is a semi-manufactured preparation based on artificial graphite, falling under tariff item 3801.90.00 as 'Other' graphite preparations.
Carbon Block Seals Preform
Graphite-carbon blocks shaped for mechanical seal manufacturing, representing semi-manufactured articles of artificial graphite. These blocks are not finished seals but are prepared for further processing, fitting under tariff item 3801.90.00 as 'Other' graphite preparations.
Carbon Paste for Metallurgy
Carbon paste for metallurgical processes, used as a preparation based on graphite or carbon in paste form. This semi-manufactured product is intended for metallurgical applications, aligning with tariff item 3801.90.00 for other graphite-based preparations.
Carbon Paste for Mold Release
A paste preparation based on graphite or carbon used as a mold release agent in foundries and plastics molding. This product prevents sticking during high-temperature processes and is classified under tariff item 3801.90.00 as other carbon-based pastes in semi-manufacture.
Carbon Paste for Silicon Carbide Production
Carbon Paste for Silicon Carbide Production is a paste formulation of artificial graphite powder and phenolic resin, used in the Acheson furnace process for synthetic silicon carbide manufacture. It is classified under tariff item 3801.90.00 as a graphite-based paste semi-manufacture, essential for high-temperature processes.
Colloidal Graphite Drawing Lubricant
A water-based colloidal graphite suspension for wire drawing and metal forming lubrication. This semi-colloidal graphite preparation reduces friction in cold drawing processes and falls under tariff item 3801.90.00 as other graphite-based preparations.