High-Purity Crystalline Boron from Mexico
Crystalline boron lumps or chunks with ultra-high purity for semiconductor doping. HTS 2804.50.00 covers this elemental nonmetal in pure, unworked form as specified in Chapter 28 notes.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include spectroscopic analysis for purity verification; ensure packaging prevents oxidation; declare correctly to avoid Chapter 38 chemical prep classification