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Crystal Boule Grinder from China

Precision grinding machine used to grind semiconductor crystal boules to exact diameters and create flats indicating conductivity type and resistivity, as defined in statistical notes for wafer manufacturing equipment. Classified under HTS 8465.96.0051 as a splitting, slicing or paring machine for hard materials like silicon boules. Essential for preparing monocrystalline semiconductor material before wafer slicing.

Duty Rate — China → United States

22.4%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

• Verify machine specs match statistical note definitions for semiconductor crystal grinders to avoid reclassification to Chapter 84 heading 8486

• Provide detailed technical documentation proving use in monocrystalline boule processing; common pitfall is insufficient end-use certification

• Ensure FDA or cleanroom compatibility certifications if for silicon/GaAs processing to meet import compliance