Hybrid Rocket Motor Grain Case from Germany
Filament-wound composite pressure vessel housing solid fuel grain and liquid oxidizer injection system in hybrid rocket motors. Classifies under HTS 8412.90.9050 for hybrid reaction engine parts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Burst pressure test reports (>1000 psi) and hybrid propellant interface specs confirm classification
• Composite layup diagrams showing oxidizer ports distinguish from solid rocket cases
• Mark as 'propellant tank-engine interface component' in commercial invoice