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6903.90.00.50/Silicon Nitride Rod/Japan

Silicon Nitride Rod from Japan

Dense silicon nitride ceramic rod for thermocouple supports in molten aluminum holding furnaces. Refractory good under HTS 6903.90.00.50, fired nitride material excluding electrical uses.

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

• Prove nitride bonding via XRD analysis; end-use statements for metal industry; avoid Chapter 85 insulator exclusion