Cerium Fluoride (CeF3) Crystals from Japan
Synthetic cerium fluoride crystals used in optical coatings and laser components. Falls under HTS 2846.10.0050 as an inorganic cerium compound, distinct from alkali fluorides, per Chapter 28 exclusions and definitions. Not classified as optical elements per note 8(h).
Duty Rate — Japan → United States
5.5%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify crystal form and purity to differentiate from powdered forms or optical elements in heading 9001
• Include spectroscopic data if used in optics to prevent misclassification
• Comply with REACH-like regulations for fluoride compounds regarding environmental hazards