Membrane-Grade Liquid Caustic Soda 33%
High-purity 33% sodium hydroxide aqueous solution produced via membrane cell process, used in rayon fiber manufacturing. This falls under tariff item 2815.12.00 as aqueous sodium hydroxide (soda lye), chemically defined without organic or other additives.
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 membrane-grade caustic soda is in solid form
Solid sodium hydroxide is classified under the solid form tariff 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
• Provide documentation of the membrane cell production process if requested, as it confirms high purity
• Ensure the product is free of mercury or other contaminants that could trigger additional regulations
• Verify the concentration is accurately stated on all shipping documents
Related Products under Tariff item 2815.12.00
32% Liquid Caustic Soda
Industrial-grade 32% sodium hydroxide in water, known as liquid soda or soda lye, primarily used in water treatment and alumina production from bauxite. This aqueous solution of chemically defined sodium hydroxide falls under tariff item 2815.12.00 as it is a solution of caustic soda in water, meeting the criteria of Chapter 28 Note 1(b).
50% Sodium Hydroxide Aqueous Solution
A 50% concentration aqueous solution of sodium hydroxide, commonly known as liquid caustic soda or soda lye, used in industrial processes like paper manufacturing and soap production. This solution is a chemically defined compound dissolved in water, qualifying under tariff item 2815.12.00 per Chapter 28 Note 1(b).
Alumina Refining Soda Lye 48%
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Battery Manufacturing Liquid Caustic 40%
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