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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+50.0%50%
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3818.00.00Same rate: 50%

If chemically doped for electronic applications

Chapter 28 note excludes doped silicon cut into discs/wafers from this chapter into 3818.

8542.31.00Same rate: 50%

If further processed into integrated circuit wafers

Processed semiconductor devices and wafers are classified in Chapter 85 as electrical components.

2804.40.00Lower: 38.7% vs 50%

If in the form of arsenic-containing silicon

Silicon containing arsenic by more than 0.3% classified separately under 2804.40.

Not sure which classification is right?

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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