Natural Silica Flour
Ground natural quartz to flour fineness (-200 mesh) for use as fillers. It is in a ground or powdered state, not chemically processed. This product is not metal-bearing and is classified as 'Other' natural sand.
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 unground silica sand
Silica sand is classified under 2505.10.00.
If the silica is chemically precipitated
Synthetic silica falls under Chapter 28.
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 silica flour is not treated with surface coatings; CBSA may require a particle size analysis
• Declare the product's use as a filler to support classification
• Be aware that silica flour may be subject to occupational health regulations upon import
Related Products under Tariff item 2505.90.00
Aquarium Substrate Sand
Natural aragonite sand sourced from marine environments, used as aquarium substrate for pH buffering. It is in a crude, washed, or naturally colored state, not subjected to processing beyond that permitted by Chapter 25 notes. This sand is not metal-bearing and falls under the 'Other' natural sands category.
Art Sand for Crafts
Naturally colored sands used for sand art and crafts, with fine particle sizes. These sands are in a crude or naturally colored state, not processed beyond washing or sieving. They are not metal-bearing and are classified as 'Other' natural sands.
Beach Sand for Terrariums
Fine natural beach sand collected for reptile terrariums, mimicking coastal environments. It is in a crude or washed state, free of metal-bearing content. This sand is not processed beyond natural or mechanical means, qualifying as 'Other' natural sand.
Colored Silica Sand for Landscaping
Naturally colored silica sand used for landscaping and garden decoration, free of metal content. It is in a crude or washed state, not processed beyond sieving or grading. This sand is not metal-bearing and is classified as 'Other' natural sand.
Construction Mason Sand
Clean natural sand for mortar mixing in bricklaying, with a consistent fineness modulus. It is in a washed or sieved state, not processed beyond mechanical means. This sand is not metal-bearing and is classified as 'Other' natural sand.
Decorative River Sand Pebbles
Rounded natural river sand pebbles for aquariums and decorative displays, naturally tumbled by water action. They are in a crude or washed state, size-graded by sieving. These pebbles are not metal-bearing and are classified as 'Other' natural sand.