Sodium Gluconate Concrete Retarder
Sodium gluconate formulated as a concrete set retarder is the sodium salt of gluconic acid, used at low dosages in hot weather pouring. It is a chemically defined compound, classified under tariff item 2918.16.00. The product is pure sodium gluconate meeting chapter purity requirements.
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 product is a formulated additive for cement or concrete
Prepared additives for cements or mortars fall under heading 38.24.
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 pure sodium gluconate and not a formulated admixture with other chemicals
• Provide technical data sheets to confirm the chemical composition
• Check if the product meets Canadian construction material standards
Related Products under Tariff item 2918.16.00
Battery Grade Gluconic Acid
High purity gluconic acid formulated for battery electrolyte and metal plating applications. It is a separate chemically defined organic compound with an alcohol function, falling under tariff item 2918.16.00 as gluconic acid.
Bulk Calcium Gluconate for Dairy Fortification
High-solubility calcium gluconate for dairy fortification is the calcium salt of gluconic acid, used to fortify milk products and prevent precipitation. It is a chemically defined organic salt, classified under tariff item 2918.16.00. Finished food products are excluded.
Calcium Gluconate 98% Technical Grade
Technical-grade 98% calcium gluconate for industrial uses like cleaning agents and metal surface treatment is the calcium salt of gluconic acid. It is a chemically defined organic salt, classified under tariff item 2918.16.00. It is not for food or pharmaceutical use.
Calcium Gluconate Dihydrate Crystals
Calcium gluconate dihydrate crystals are the hydrated form of the calcium salt of gluconic acid, offering better solubility for aqueous formulations. Chapter note 1(a) covers chemically defined compounds, and hydrates are included. It is classified under tariff item 2918.16.00.
Calcium Gluconate Monohydrate EP/BP Grade
Calcium gluconate monohydrate EP/BP grade is the hydrated calcium salt of gluconic acid, providing calcium and hydration stability. It is a chemically defined organic salt, classified under tariff item 2918.16.00. It is used in pharmaceutical applications.
Calcium Gluconate USP Powder
Calcium gluconate USP powder is the calcium salt of gluconic acid, a chemically defined organic compound with an alcohol function. It is classified under tariff item 2918.16.00 as a salt of gluconic acid.