Float Zone Crystal Grower
A specialized apparatus employing the float zone method to purify and grow monocrystalline semiconductor boules without a crucible. It falls under tariff item 8466.30.00 as a special attachment for machines used principally in semiconductor manufacturing.
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 float zone grower is presented as a complete machine for semiconductor manufacture
Heading 84.86 specifically covers machines for the manufacture of semiconductor boules, taking precedence over attachment headings.
If the float zone grower does not meet the definition of a semiconductor manufacturing machine
Machines with no specific heading may fall under the residual heading 84.79 for machines having individual functions.
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 whether the float zone grower is an attachment or a complete machine; complete machines may be classified under heading 84.86
• Provide a detailed description of its operation to the CBSA
• Verify if the item qualifies for duty-free entry under a trade agreement
Related Products under Tariff item 8466.30.00
Angle Head Attachment for Machining Centers
An angle head special attachment for machining centers that redirects spindle axis to 90 degrees, enabling access to undercuts and deep cavities without repositioning. It is a special attachment for machines of headings 84.56 to 84.65.
Automatic Pallet Changer Interface
A special attachment interface kit for horizontal machining centers enabling unmanned 8-pallet changes. It is a special attachment for machines of headings 84.59 to 84.61, which include machining centers for working metal, and is classified under tariff item 8466.30.00.
Band Saw Resaw Guide Attachment
A precision-machined aluminum guide that mounts to band saws for straight, tall resawing cuts in lumber, stabilizing the workpiece vertically. It is a special attachment for woodworking machines of heading 84.65.
Boule Diameter Grinder Indexing Head
An indexing head attachment for grinders that achieve precise boule diameters for standard wafer sizes (e.g., 300mm). It is classified under tariff item 8466.30.00 as a special attachment for wafer preparation equipment.
CNC Dividing Head for Milling Machines
A precision dividing head designed for CNC milling machines, enabling accurate angular indexing and rotation of workpieces for machining complex geometries like gears and splines. It is a special attachment for machines of headings 84.56 to 84.65, specifically for dividing heads.
CNC Machine Rotary Table Attachment
A precision rotary table designed as a special attachment for CNC milling machines in headings 84.59 to 84.61, enabling 4th axis machining by rotating the workpiece during operation. It is classified under tariff item 8466.30.00 as a dividing head or special attachment.