Marine Rotary Engine Apex Seals from Japan
Carbon composite apex seals for marine Wankel rotary spark-ignition propulsion engines, providing gas-tight sealing in saltwater environments. Precision-ground for minimal apex wear. HTS 8409.91.92.90 as specialized marine rotary parts.
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
• Supply seal wear rate data from marine endurance testing
• Include rotor housing compatibility certification
• Distinguish from automotive seals via marine thermal expansion specs