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Monocrystalline Silicon Chunks from China

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.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

• 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