Rayon Production Liquid Caustic Soda 35%
35% NaOH aqueous solution optimized for viscose rayon fiber production in the textile industry. Tariff item 2815.12.00 applies to this soda lye as a pure chemically defined compound in water, distinct from mixtures or textile chemical preparations.
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 caustic soda is in solid form for rayon production
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
• Verify the solution does not contain carbon disulfide or other additives used in rayon processing, as those would change classification
• Ensure the concentration is within the specified range for the tariff item
• Keep records of the textile end-use to demonstrate the product is not a preparation of Chapter 38
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%
48% high-strength aqueous sodium hydroxide for the Bayer process in alumina extraction from bauxite ore. This liquid soda lye is a chemically defined compound in aqueous solution, classified under tariff item 2815.12.00 as per Chapter 28 Note 1(b), and is critical for digesting alumina from bauxite.
Battery Manufacturing Liquid Caustic 40%
40% sodium hydroxide aqueous solution for nickel-cadmium and alkaline battery electrolyte production. This pure soda lye solution is a chemically defined compound in water, falling under tariff item 2815.12.00, and is distinguished from battery parts or mixtures by its simple aqueous composition.
Bulk Liquid Soda 30% for Water Treatment
30% sodium hydroxide solution in bulk for municipal water softening and pH adjustment. Classified under tariff item 2815.12.00 as soda lye, this is an aqueous solution of chemically defined NaOH, excluding products of other chapters like water treatment chemicals with additives.
Food Processing 18% NaOH Solution
18% aqueous sodium hydroxide solution, FCC grade, for food processing like olive debittering and chocolate processing. This soda lye is a chemically defined compound in water, classified under tariff item 2815.12.00, and is not under Chapter 21 food preparations unless mixed with other ingredients.