Crystal Boule Grinder
Crystal Boule Grinder is a precision grinder that shapes semiconductor crystal boules to exact diameters and grinds orientation flats indicating conductivity and resistivity. Tariff item 8474.80.00 applies as grinding machinery for solid mineral substances. The grinder ensures precise dimensions for subsequent wafer slicing.
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 grinder is used for grinding optical or glass materials
Grinding or polishing machines for stone, ceramics, glass, or similar materials are classified in this heading.
If the grinder is used in the semiconductor device manufacturing process
Machines for the manufacture of semiconductor devices are classified in this heading.
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 the grinder under 8474.80.00 as machinery for grinding solid mineral substances
• Verify if the equipment requires an end-use certificate due to semiconductor applications
• Check if the machine qualifies for duty-free entry under a free trade agreement by providing a valid certificate of origin
Related Products under Tariff item 8474.80.00
Attrition Scrubber for Mineral Cleaning
High-intensity attrition scrubber with counter-rotating propellers that scrubs mineral particles clean through particle-on-particle abrasion. Prepares silica sand for glass making by removing surface coatings and impurities.
Automated Cement Pipe Molder
Automated Cement Pipe Molder is a rotary molding machine that shapes unhardened cement paste into concrete pipes using centrifugal force. It is designed specifically for forming cement paste, which places it under tariff item 8474.80.00 as machinery for shaping or moulding unhardened cements. The machine can produce pipes in various diameters.
Ball Mill for Mineral Grinding
A rotating cylindrical grinder filled with steel balls that pulverizes mineral ores into fine powder for mineral processing plants. This machinery is used for grinding mineral substances in solid form.
Cement Block Molding Machine
Cement Block Molding Machine is an automated system that molds unhardened cement paste into concrete blocks using vibration and compression. It is classified under tariff item 8474.80.00 because it is specifically designed for shaping unhardened cements in paste form. The machine produces uniform blocks for construction.
Ceramic Brick Forming Press
Ceramic Brick Forming Press is a high-pressure hydraulic press that shapes ceramic paste into uniform bricks for firing. It falls under tariff item 8474.80.00 as machinery for molding ceramic paste in paste form. The hydraulic system ensures precise density and uniformity in the formed bricks.
Ceramic Roof Tile Press
Ceramic Roof Tile Press is an automated press that molds ceramic paste into interlocking roof tiles for firing. It is specifically engineered for ceramic paste, placing it under tariff item 8474.80.00. The machine features weather-resistant mold designs for durable tile production.