Antimony Oxide Catalyst Precursor from Mexico
High surface area Sb2O3 used as precursor for PET polymerization catalysts with germanium. HTS 2825.80.00.00 classification based on chemical definition as antimony oxide.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit polymerization reaction scheme showing catalyst formation
• Specify surface area m²/g measurement for precursor grade
• Include food contact compliance for bottle grade applications