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3815.90.30.00/Zirconium Oxide Solid Acid Catalyst/Japan

Zirconium Oxide Solid Acid Catalyst from Japan

Sulfated zirconia catalyst for alkylation reactions in gasoline production. Inorganic zirconia base qualifies for 3815.90.3000.

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

• Acid site density measurement (Hammett acidity) confirms catalytic strength

• Thermal stability >500°C distinguishes from ceramic materials

• Sulfate content <10wt% maintains inorganic classification

Zirconium Oxide Solid Acid Catalyst from Japan — Import Duty Rate | HTS 3815.90.30.00