Potassium Nitrate for Heat Storage Salts
Potassium nitrate component in solar thermal heat transfer and storage salt mixtures. Base compound under HTS 2834.21.00.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared heat transfer mixture
Prepared mixtures for thermal applications classify in 3824 as chemical preparations.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Melting point and thermal stability certificates; bulk molten salt handling requires specialized containers; energy dept permits for large volumes
Related Products under HTS 2834.21.00.00
Potassium Nitrate Crystals
Pure potassium nitrate (KNO3) in crystalline form, a chemically defined inorganic salt used primarily as a fertilizer and in pyrotechnics. It falls under HTS 2834.21.00.00 as a nitrate of potassium, distinct from ammonium or other metal nitrates.
Reagent Grade Potassium Nitrate
High-purity potassium nitrate suitable for laboratory reagents and chemical analysis. Classified under HTS 2834.21.00.00 as a nitrate of potassium meeting chemically defined criteria in Chapter 28 Note 1.
Technical Grade Potassium Nitrate Powder
Powdered potassium nitrate for industrial applications like glass manufacturing and heat transfer salts. It is a potassium nitrate under HTS 2834.21.00.00, chemically defined per Chapter notes.
Potassium Nitrate Prills for Fireworks
Prilled potassium nitrate used as an oxidizer component in pyrotechnic compositions. Falls under HTS 2834.21.00.00 as pure potassium nitrate, not a prepared explosive.
Food Grade Potassium Nitrate
Purified potassium nitrate approved as E252 curing agent for preserved meats. Classified in HTS 2834.21.00.00 as chemically defined potassium nitrate, not a food preparation.
Potassium Nitrate Flakes for Glass Production
Flake-form potassium nitrate serving as flux in specialty glass manufacturing. It is a nitrate of potassium under HTS 2834.21.00.00, meeting inorganic salt definitions.