3818.00.00.20/Doped Polycrystalline Silicon Solar Wafers/China

Doped Polycrystalline Silicon Solar Wafers from China

Polycrystalline silicon wafers that have been doped with phosphorus or boron to enhance electrical conductivity, primarily used in photovoltaic solar cell production. These wafers fall under HTS 3818.00.0020 as chemical elements doped for use in electronics, specifically in disc or wafer form for semiconductor applications. The doping process introduces impurities to create p-n junctions essential for solar energy conversion.

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
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Obtain certificates of analysis confirming doping levels and purity to meet US semiconductor import standards

• Comply with REACH-like regulations for chemical dopants; declare wafer thickness and resistivity accurately

• Avoid misclassification by specifying polycrystalline structure; use ESD-safe packaging to prevent damage

Doped Polycrystalline Silicon Solar Wafers from China — Import Duty Rate | HTS 3818.00.00.20