Hafnium Carbide Powder from Mexico
Hafnium carbide (HfC) ultra-high temperature ceramic powder for rocket nozzles. Falls under 2849.90.50.00 as chemically defined carbide. Melting point exceeds 3900°C.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain export licenses for defense/space applications
• Provide isotopic analysis excluding radioactive content