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2811.22.50.00/Nano-Silica Particles (20 nm)/Mexico

Nano-Silica Particles (20 nm) from Mexico

Nano-sized amorphous silicon dioxide particles (average 20 nm) produced via sol-gel process for advanced composites. Classified as other silicon dioxide under HTS 2811.22.5000 due to its inorganic oxygen compound nature.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Include TEM/SEM images and size distribution to prove discrete SiO2 nanoparticles

• Comply with TSCA nano reporting if applicable; declare as pure compound