Ceramic Substrate Grinder
A grinding machine for alumina or aluminum nitride ceramic substrates used in power electronics and LED packaging. This machine ensures substrate flatness for reliable electronic performance. It is classified under tariff item 8464.20.00 as a grinding machine for ceramics, a like mineral material.
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 machine performs other operations on ceramic substrates
Other machine-tools for working ceramics may be classified under heading 84.64.
If the machine is used in semiconductor manufacturing and performs additional functions
Machines for the manufacture of semiconductors are classified under heading 84.86.
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 machine is for ceramic materials, not for metals or other materials
• Provide documentation showing the machine's function and the type of ceramics it processes
• Check if the machine qualifies for any duty relief for electronics manufacturing equipment
Related Products under Tariff item 8464.20.00
Architectural Glass Corner Grinding Machine
A machine that grinds 45-degree mitred corners on large glass panels for frameless shower doors and facades. It is specifically for cold working glass, falling under this tariff item as a grinding machine for glass.
Asbestos-Cement Sheet Polisher
A wide-belt polishing machine designed to finish asbestos-cement roofing and siding sheets to a uniform thickness. It operates through abrasive belts that grind and polish the mineral-based material, falling under the tariff item for grinding or polishing machines for asbestos-cement or like mineral materials.
Automotive Windshield Polishing Machine
A specialized polisher that removes scratches and restores clarity on laminated automotive safety glass. It falls under this tariff item as a polishing machine for cold working glass, even in vehicle repair contexts.
Ceramic Tile Grinder
A bridge-style grinder used to rectify the edges and surfaces of ceramic tiles to precise dimensions after firing. This machine falls under the tariff item as it is specifically designed for grinding ceramic materials, a category explicitly listed under mineral materials.
CNC Glass Edge Grinding Machine
A CNC machine that grinds and polishes the edges of flat glass sheets to precise specifications for architectural and automotive applications. This machine falls under the tariff item as a grinding and polishing machine for glass.
CNC Granite Surface Grinder
A CNC machine designed for precision grinding of flat surfaces on granite slabs used in countertops and monuments. It falls under this tariff item as a grinding machine specifically for working stone, a mineral material.