Anhydrous Refrax Borax
Anhydrous disodium tetraborate sold under the brand 'Refrax' is a pure inorganic borate compound used in fiberglass production. Its anhydrous form is specifically covered by this tariff item, as it is refined borax without water molecules.
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 hydrated or contains water of crystallization
Hydrated forms are classified under the other disodium tetraborate item.
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 product is not a mixture with other additives; if it contains stabilizers, ensure they are necessary for preservation or transport
• Provide the brand name and technical specifications to CBSA to support classification
• Check if the product meets Canadian chemical safety regulations for industrial use
Related Products under Tariff item 2840.11.00
Anhydrous Disodium Tetraborate Powder
Anhydrous disodium tetraborate (Na2B4O7), also known as refined borax in its dehydrated form, is a chemically defined inorganic compound. It is used in industrial glass manufacturing and as a flux, and its anhydrous nature makes it classifiable under this tariff item.
High-Purity Anhydrous Sodium Tetraborate
High-purity anhydrous sodium tetraborate is a chemically defined compound used in laboratory reagents and pharmaceutical intermediates. It falls under this tariff item as refined anhydrous disodium tetraborate, meeting Chapter 28's requirements for separate chemically defined compounds.
Industrial Grade Anhydrous Borax
Industrial-grade anhydrous borax is refined disodium tetraborate without water, used in enamel frits and soldering fluxes. It is a chemically defined inorganic compound classifiable under this tariff item as anhydrous refined borax.
Pharma-Grade Anhydrous Tetraborate
Pharmaceutical-grade anhydrous disodium tetraborate is a high-purity chemically defined compound used in buffer solutions for drug manufacturing. It is classifiable under this tariff item as refined anhydrous borax, meeting Chapter 28's criteria for separate compounds.
Refined Anhydrous Borax Granules
Granular anhydrous disodium tetraborate is refined borax in anhydrous form, used in ceramic glazes and metallurgical fluxes. It is a chemically defined inorganic compound falling under this tariff item as anhydrous refined borax.
Technical Anhydrous Borax 99.5%
Technical-grade 99.5% anhydrous disodium tetraborate is used in welding fluxes and high-temperature applications. It is a chemically defined compound classifiable under this tariff item as anhydrous refined borax, distinguished by its lack of water molecules.