Turbojet Combustion Chamber Liner from Mexico
Inner liner of the annular combustion chamber in turbojet engines, perforated for fuel-air mixing and cooled by airflow. Falls under HTS 8411.91.90 as other turbojet parts, not a complete casing. Made from high-temperature ceramics or alloys to contain combustion.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document flameout resistance testing to support classification as safety-critical part
• Use precise nomenclature matching manufacturer's service bulletins
• Avoid declaring as 'exhaust manifold' which shifts to automotive headings