Zinc Aluminate Catalyst
Zinc aluminate (ZnAl2O4) is a catalyst support for dehydrogenation reactions in petrochemicals, supplied as extruded pellets. It is classified under tariff item 2841.90.00 as an aluminate salt, unless it is a prepared catalyst of heading 38.15.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a supported catalyst
Prepared catalysts are classified in heading 38.15.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Determine if the product is a prepared catalyst (heading 38.15) or a pure support
• Provide a detailed composition breakdown to CBSA
• If the pellets contain active catalytic metals, classification may shift
Related Products under Tariff item 2841.90.00
ACS Reagent Potassium Stannate
ACS reagent grade potassium stannate (K2SnO3) is a chemically defined stannate salt used in analytical chemistry. It is a salt of stannic acid, an oxometallic acid, and falls under the 'Other' tariff item for salts of oxometallic acids.
Aluminum Sodium Oxide (Beta-Alumina)
Beta-alumina (NaAl11O17) is a solid electrolyte powder used in sodium-sulfur batteries. Its pure aluminate structure qualifies it as an oxometallic salt under tariff item 2841.90.00.
Ammonium Metavanadate
Ammonium metavanadate ((NH4)VO3) is a white crystalline powder used as a catalyst in the production of sulfuric acid, in ceramics, and as a drying agent in inks and paints. It is a salt of vanadic acid, an oxometallic acid, and meets the Chapter 28 definition of a separate chemically defined compound.
Ammonium Perrhenate Catalyst Precursor Flakes
Ammonium perrhenate in flake form (NH4ReO4) is a salt of perrhenic acid, a peroxometallic acid, used as a catalyst precursor for hydrocracking. It is a separate chemically defined compound under Chapter 28, falling under the 'Other' tariff item.
Ammonium Perrhenate (NH4ReO4) Powder
Ammonium perrhenate powder (NH4ReO4) is the ammonium salt of perrhenic acid, a peroxometallic acid, used in catalysts and alloy production. It is a separate chemically defined compound under Chapter 28, falling under the 'Other' tariff item.
Anhydrous Potassium Stannate
Anhydrous potassium stannate (K2SnO3) is a high-purity, water-free compound used in advanced electroplating solutions to produce corrosion-resistant tin coatings. It is classified under tariff item 2841.90.00 as a potassium salt of stannic acid, an oxometallic acid salt.