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.
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 other filtration media
Mixtures not meeting Chapter 28 purity criteria may fall under other chemical products.
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 product is clearly identified as synthetic silicon dioxide on commercial invoices
• Verify that the pore size and purity meet the specifications declared to the CBSA
Related Products under Tariff item 2811.22.00
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.
Indicator Silica Gel with Cobalt Chloride
Indicator silica gel impregnated with cobalt chloride for moisture detection. The base is synthetic silicon dioxide, and the cobalt chloride acts as a colouring substance for identification, per Chapter 28 Note 1(e).