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Boron-Doped Diamond Wafers from China

CVD diamond discs heavily boron-doped (p++) for high-power electronics and quantum devices. Extreme semiconductor material in wafer form. HTS 3818.00.00 for doped electronic compounds.

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

• Superconductor declaration if cryogenic use; special handling

• Diamond hardness requires reinforced packaging

• Avoid jewelry classification; emphasize electronic specs