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8482.91.00.90/Ceramic Silicon Nitride Bearing Balls/Mexico

Ceramic Silicon Nitride Bearing Balls from Mexico

Non-corrodible silicon nitride ceramic balls for high-speed bearings in crystal grinders used in semiconductor boule preparation. These balls provide superior wear resistance and low thermal expansion for precise diameter grinding. Falls under HTS 8482.91.0090 as 'other' bearing balls.

Duty Rate — Mexico → United States

14.4%

Rate breakdown

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

• Include ceramic material purity certificates (>99% Si3N4) for duty verification; comply with REACH for non-steel materials; segregate from metallic balls to prevent contamination