Monocrystalline Silicon Chunks
Chunks of monocrystalline silicon containing at least 99.99% silicon by weight, serving as raw material for semiconductor and solar wafer slicing. Classified under HTS 2804.61.00.00 as high-purity elemental silicon in unworked form per Chapter 28 definitions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically doped for electronic applications
Chapter 28 note excludes doped silicon cut into discs/wafers from this chapter into 3818.
If further processed into integrated circuit wafers
Processed semiconductor devices and wafers are classified in Chapter 85 as electrical components.
If in the form of arsenic-containing silicon
Silicon containing arsenic by more than 0.3% classified separately under 2804.40.
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Import Tips & Compliance
• Require supplier certificates of analysis (COA) specifying silicon purity and impurity levels
• Comply with REACH or TSCA chemical import notifications if applicable in destination country
• Check for anti-dumping duties on solar-grade silicon from specific origins like China
Related Products under HTS 2804.61.00.00
Polycrystalline Silicon Ingots
High-purity polycrystalline silicon ingots with 99.99% silicon content, used primarily in the production of photovoltaic cells for solar panels. This product falls under HTS 2804.61.00.00 as it is chemically defined elemental silicon meeting the purity threshold specified in the heading for nonmetals.
Electronic-Grade Polysilicon Rods
Polysilicon rods with 99.99+% purity silicon content, produced via Siemens process for semiconductor manufacturing. This chemically defined silicon meets HTS 2804.61.00.00 criteria as high-purity elemental nonmetal in cylindrical form.
Solar-Grade Silicon Bricks
Rectangular silicon bricks of 99.99% purity cut from polysilicon ingots, used directly for solar wafer production. Falls under HTS 2804.61.00.00 as it qualifies as high-purity elemental silicon before final wafer slicing.
Hyper-Pure Silicon Cylinders
Cylindrical hyper-pure silicon forms containing no less than 99.99% silicon, intended for advanced semiconductor fabrication. Classified in HTS 2804.61.00.00 as chemically defined high-purity silicon in unworked rod/cylinder form allowed by Chapter 28.