Zirconium Oxide Solid Acid Catalyst

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

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2825.60.00Lower: 28.7% vs 35%

If zirconium oxide pigment grade

Color/opacity function in Chapter 28 vs catalysis

6903.20.00.00Same rate: 35%

If refractory bricks/tiles

Ceramic refractory products in Chapter 69

3824.99Lower: 15% vs 35%

If promoted with organic modifiers

Organic acid treatments shift to preparations heading

Not sure which classification is right?

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Import Tips & Compliance

Acid site density measurement (Hammett acidity) confirms catalytic strength

Thermal stability >500°C distinguishes from ceramic materials

Sulfate content <10wt% maintains inorganic classification