Polishing Grade Ceria for Precision Optics from Mexico
Calcined cerium oxide optimized for polishing telescope mirrors, laser optics, and ophthalmic lenses. HTS 2846.10.00.10 classification as pure cerium oxide per Chapter 28 notes. Particle distribution (1-3 microns) ensures scratch-free high-gloss finish.
Duty Rate — Mexico → United States
5.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Laser diffraction PSD report (D50=1.5μm) confirms polishing grade vs. catalyst grade
• Silicone-free processing declaration for optical use; contamination voids purity claims
• Declare end-use optics to avoid defense article scrutiny under ITAR