Chromite Investment Casting Shells from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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