Nanoparticle Gold Powder from Mexico
Gold nanoparticles in powder form (average 20-50nm) for biomedical and catalytic applications. Fineness exceeds 7108.11.00.00 powder definition; nonmonetary research/industrial grade.
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
• Nanomaterial safety data sheets mandatory for customs clearance
• Research end-use declaration prevents commercial classification shifts
• Particle agglomeration can fail sieve test—provide TEM analysis