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8448.20.50.90/Crystal Boule Grinder/Mexico

Crystal Boule Grinder from Mexico

Precision grinder for shaping semiconductor crystal boules to exact wafer diameters (150mm-450mm), including flat grinding for conductivity indication. HTS 8448.20.50.90 classification as auxiliary for heading 8444 crystal pullers.

Duty Rate — Mexico → United States

13.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include boule diameter range and flat positioning specifications in import documentation

• Provide statistical note reference confirming boule preparation function

• Ensure classification distinguishes from general metallurgical grinders

Crystal Boule Grinder from Mexico — Import Duty Rate | HTS 8448.20.50.90