Synthetic Silica Gel Powder for Catalyst Support
Fine powder synthetic silica gel used as an inert catalyst support. It is a separate chemically defined compound of silicon dioxide, before any impregnation with active metals.
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 silica gel is mixed with catalytic metals
Supported catalysts are classified in Chapter 38.
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
• Ensure the powder is not pre-impregnated with catalytic metals, which would change classification
• Provide purity certificates to the CBSA
Related Products under Tariff item 2811.22.00
Coarse-Pore Synthetic Silica Gel for Water Filtration
Coarse-pore synthetic silica gel used in preliminary water filtration stages. It is a separate chemically defined compound of silicon dioxide, meeting Chapter 28 Note 1 criteria.
Colloidal Silica Dispersion (50% Solids)
Colloidal silica dispersion with 50% solids, used in semiconductor polishing. It is silicon dioxide suspended in water, meeting Chapter 28 Note 1(b) for aqueous solutions.
Food-Grade Synthetic Silica Gel Capsules
Encapsulated synthetic silica gel for moisture control in food packaging. The silica gel core is a separate chemically defined compound, and the encapsulation does not alter its classification.
Fumed Silica (Aerosil)
Fumed silica produced by flame hydrolysis, a form of synthetic silicon dioxide. It is a separate chemically defined compound, meeting Chapter 28 criteria.
High-Purity Silica Powder for LEDs
High-purity silica powder for LED phosphor production, with purity above 99.99%. It is a separate chemically defined compound of silicon dioxide.
High-Purity Synthetic Silica Gel for Chromatography
High-purity synthetic silica gel for chromatography, with controlled pore size. It is a separate chemically defined compound of silicon dioxide, suitable for laboratory use.