Silicalite-1 Aluminosilicate
Silicalite-1 is a pure silica zeolite with trace aluminum, forming hydrophobic membranes used in pervaporation and organic separations. As a chemically defined complex silicate, it falls under tariff item 2842.10.00.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the silicalite is shaped into a ceramic membrane or support
Ceramic products containing aluminosilicates are classified in heading 69.03.
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
• Confirm the aluminum content is within the range that maintains classification as a silicate
• If the material is in membrane form, check if it should be classified as a ceramic product
• Provide technical data sheets to support the chemical definition
Related Products under Tariff item 2842.10.00
Beta Zeolite Powder
Beta zeolite powder is a synthetic aluminosilicate with a large-pore three-dimensional structure, used primarily in hydrocracking and dewaxing catalysts. As a chemically defined double or complex silicate, it falls under tariff item 2842.10.00.
Hydrated Aluminosilicate Catalyst
Hydrated aluminosilicate catalyst material is a chemically defined double silicate with specific Si/Al ratios, used in petroleum refining cracking processes. Its defined structure and composition qualify it for classification under tariff item 2842.10.00.
Linde Type A Zeolite
Linde Type A zeolite is a synthetic sodium aluminosilicate with a well-defined 4Å pore structure, commonly used in drying and purification applications. As a chemically defined double or complex silicate, it is classified under tariff item 2842.10.00.
Mordenite Aluminosilicate Powder
Mordenite aluminosilicate powder is a high-silica zeolite with a two-dimensional pore system, used in gas separation and purification. Its chemically defined complex silicate structure places it under tariff item 2842.10.00.
Sodium Aluminosilicate Zeolite A
Sodium aluminosilicate Zeolite A is a synthetic compound used as a detergent builder and water softener. Its chemically defined double silicate structure qualifies it for tariff item 2842.10.00.
Synthetic Zeolite 4A Powder
Synthetic Zeolite 4A powder is a hydrated sodium calcium aluminosilicate used in molecular sieves and ion exchange. As a chemically defined double or complex aluminosilicate, it is classified under tariff item 2842.10.00.