Antimony Trioxide from Mexico
Antimony trioxide (Sb₂O₃) serves as a flame retardant in plastics and a catalyst in PET production. Classified as an other inorganic oxygen compound of nonmetal antimony under HTS 2811.29.5000. Fine white powder form.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Particle size distribution certificate critical for polymer applications
• EU REACH authorization may apply; provide SVHC declarations
• Confirm <90% purity threshold to avoid 2825 classification