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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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