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8484.10.00.00/Heat Exchanger Gasket/Japan

Heat Exchanger Gasket from Japan

Double-jacketed metal gasket with PTFE inner lining for plate heat exchangers in HVAC systems. Classified in HTS 8484.10.00.00 for metal sheeting combined with other materials for thermal sealing.

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%
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Import Tips

• Specify exchanger type (plate/shell/tube) in invoices for proper machinery association

• Thermal conductivity test data supports composite gasket status over simple metal

• Avoid generic 'gasket' descriptions; detail construction to prevent 8484.90 downgrade