Ferrosilicon 78% High-Silicon FeSi78 from Mexico
Ferrosilicon 78% High-Silicon grade approaches 80% limit with 78% Si content, used for maximum deoxidation with minimal iron dilution. HTS 7202.21.50.00 'other' category for 55-80% silicon ferrosilicon. Brittle texture requires careful handling.
Duty Rate — Mexico → United States
11.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Pre-shipment Si verification prevents >80% reclassification to 7202.21.90.00 upon entry
• Dust mitigation essential; high-Si grades more friable and pyrophoric