High-Purity Calcium Silicon 28/58 from Mexico
Premium grade calcium silicon with 28% Ca and 58% Si, low impurities (Al<1.5%, C<0.2%), used in high-quality steel production like automotive sheet. HTS 7202.99.20.00 covers this essential steelmaking alloy for inclusion control.
Duty Rate — Mexico → United States
15%
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
• Require spectrographic analysis certificates; high-purity grades need verification to prevent duty disputes
• Bag labeling must specify alloy type and size for customs compliance