Rayon Production Liquid Caustic Soda 35%
35% NaOH aqueous solution optimized for viscose rayon fiber production in textile industry. HTS 2815.12.00.00 applies to this soda lye as pure chemically defined compound in water, distinct from mixtures or textile chemicals. Concentration balances viscosity for mercerizing processes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as finishing agent in textile manufacturing
Textile finishing preparations containing NaOH go to 3809 by function.
If with proprietary additives for rayon process
Chemical preparations not chemically defined shift to Chapter 38.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify industrial end-use on entry to avoid higher duties on consumer goods
• Monitor for crystallization in cold transit; heat drums if needed per storage guidelines
Related Products under HTS 2815.12.00.00
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. It falls under HTS 2815.12.00.00 as it is chemically defined sodium hydroxide explicitly in aqueous solution form. This subheading covers all concentrations of soda lye, distinguishing it from solid forms.
Industrial Soda Lye 45% Concentration
45% aqueous sodium hydroxide solution, termed soda lye, essential for petroleum refining and textile processing. It qualifies for HTS 2815.12.00.00 as a chemically defined inorganic compound of sodium in aqueous form, per Chapter 28 definitions excluding organo-inorganic mixtures. High concentration ensures efficient handling in bulk industrial applications.
32% Liquid Caustic Soda
Industrial-grade 32% sodium hydroxide in water, known as liquid soda, primarily used in water treatment and alumina production from bauxite. Classified under HTS 2815.12.00.00 because it is an aqueous solution of chemically defined sodium hydroxide per Chapter 28 notes. This form is liquid at room temperature, unlike solid caustic soda.
Membrane-Grade Liquid Caustic Soda 33%
High-purity 33% sodium hydroxide aqueous solution produced via membrane cell process, used in rayon fiber manufacturing. Falls under HTS 2815.12.00.00 as aqueous sodium hydroxide (soda lye), chemically defined without organic impurities per Chapter notes. Membrane grade ensures low chloride content for sensitive applications.
Bulk Liquid Soda 30% for Water Treatment
30% sodium hydroxide solution in bulk for municipal water softening and pH adjustment. Classified in HTS 2815.12.00.00 as soda lye, an aqueous solution of chemically defined NaOH, excluding products of other chapters like Section V salts. Ideal for large-scale environmental applications.
Pharmaceutical-Grade 20% NaOH Solution
20% aqueous sodium hydroxide solution meeting USP standards for pharmaceutical processing like API extraction. Under HTS 2815.12.00.00 as chemically defined soda lye in solution, not covered by Chapter 30 medicaments unless prepared as such. High purity minimizes impurities in drug manufacturing.