Chromite Investment Casting Shells from Mexico
Pre-made ceramic shells with chromite flour stucco for precision investment casting. Under HTS 6815.91.00 for chromite content in foundry articles. Used for aerospace and turbine blade production.
Duty Rate — Mexico → United States
10%
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
• State shell thickness and chromite percentage in shell composition
• Distinguish from green sand molds (6815.99)
• Supplier test reports for Cr2O3 content mandatory