Potassium Nitrate Flakes for Glass Production
Potassium Nitrate Flakes for Glass Production are flake-form potassium nitrate used as a flux in specialty glass manufacturing. It is a nitrate of potassium under tariff item 2834.21.00, meeting the definition of an inorganic salt.
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:
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 that the flakes are pure potassium nitrate without any added binders or coatings
• The physical form (flakes) does not affect the tariff classification
• Provide a detailed product description to the CBSA to avoid misclassification
Related Products under Tariff item 2834.21.00
Battery Grade Potassium Nitrate
Battery Grade Potassium Nitrate is an ultra-pure form of potassium nitrate (KNO3) used as an electrolyte component in specialty batteries. It is a separate chemically defined compound, meeting the criteria of Chapter 28 Note 1(a). It is not a finished battery or a preparation, so it falls under tariff item 2834.21.00.
Food Grade Potassium Nitrate
Food Grade Potassium Nitrate is purified potassium nitrate used as a curing agent (E252) for preserved meats. It is a separate chemically defined compound, not a food preparation, and therefore falls under tariff item 2834.21.00 as a nitrate of potassium.
Industrial Potassium Nitrate for Propellants
Industrial Potassium Nitrate for Propellants is high-density potassium nitrate used as an oxidizer in black powder and propellant production. It is a pure chemically defined compound, not a finished explosive, so it falls under tariff item 2834.21.00.
Laboratory Potassium Nitrate Solution 30%
Laboratory Potassium Nitrate Solution 30% is an aqueous solution of potassium nitrate for analytical and calibration purposes. It is a solution of a chemically defined compound in water, meeting Chapter 28 Note 1(b), and falls under tariff item 2834.21.00.
Pharmaceutical Grade Potassium Nitrate USP
Pharmaceutical Grade Potassium Nitrate USP is a USP-grade potassium nitrate used in dental desensitizers and limited pharmaceutical applications. It is a pure chemically defined compound, not a medicament, and falls under tariff item 2834.21.00.
Potassium Nitrate Crystals
Potassium Nitrate Crystals are pure potassium nitrate (KNO3) in crystalline form, a chemically defined inorganic salt used as a fertilizer and in pyrotechnics. It falls under tariff item 2834.21.00 as a nitrate of potassium, distinct from ammonium nitrate.