Other
Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 3804.00.50.00
Sodium Lignosulfonate Powder
Sodium lignosulfonate is a water-soluble anionic polyelectrolyte derived from the sulfite pulping process of wood pulp production. It falls under HTS 3804.00.5000 as a residual lye from wood pulp manufacture, chemically treated and concentrated for use as a dispersant, binder, and dust suppressant in industrial applications.
Calcium Lignosulfonate Liquid
Calcium lignosulfonate is a concentrated liquid residual lye from wood pulp sulfite digestion, used primarily as a concrete plasticizer and animal feed pellet binder. Classified under HTS 3804.00.5000 due to its origin as tall oil-free lignin sulfonates from the pulping process.
Ammonium Lignosulfonate Granules
Granulated ammonium lignosulfonate serves as a dust control agent and ceramic binder, produced from desugared lignin sulfonic acids in wood pulp spent liquors. HTS 3804.00.5000 covers this chemically treated residual lye excluding tall oil components.
Lignin Sulfonate Concrete Dispersant
This concentrated sodium-based lignin sulfonate acts as a high-range water reducer in ready-mix concrete, directly derived from black liquor of sulfite pulp mills. It qualifies for HTS 3804.00.5000 as a wood pulp manufacturing residual lye, chemically treated but retaining base composition.
Desugared Black Liquor Solids
Desugared solids recovered from spent sulfite pulping liquor, containing primarily lignin sulfonates for use in gypsum board production. HTS 3804.00.5000 includes such concentrated, chemically treated residual lyes from wood pulp manufacture.
Wood Pulp Lye Dispersant for Ceramics
Modified lignin sulfonate from concentrated softwood pulp lyes, serving as a deflocculant in ceramic slip casting. Falls under HTS 3804.00.5000 as it originates from wood pulp production residuals, excluding tall oil.
Concentrated Sulfite Pulp Lignin Solution
A 50% solids solution of lignin sulfonates from magnesium-based sulfite pulping, used in dye dispersants and leather tanning. HTS 3804.00.5000 applies to such concentrated residual lyes from wood pulp production.
Lignosulfonate Dust Suppressant
Sprayable calcium lignosulfonate formulation from desugared wood pulp lyes, applied to unpaved roads and mining haul roads. Classified in HTS 3804.00.5000 as chemically treated residual lyes but not advanced preparations.
Pellet Binder Lignin Sulfonate
Spray-dried sodium lignosulfonate from hardwood sulfite pulp, binding wood, feed, and fertilizer pellets during extrusion. HTS 3804.00.5000 covers this concentrated form of wood pulp manufacturing residual.
Gypsum Board Dispersant Lignosulfonate
Low-viscosity ammonium lignosulfonate solution optimized for gypsum slurry flow in wallboard manufacturing. Derives from concentrated, desugared softwood pulp lyes qualifying for HTS 3804.00.5000.
Chrome Tanning Agent Lignin Derivative
Specially precipitated calcium lignosulfonate from pulp mill recovery used to complex chrome salts in leather tanning. Remains under HTS 3804.00.5000 as chemically treated but origin-specific wood pulp residual lye.
Spray Dryer Feed Lignosulfonate Concentrate
High-solids (55%) lignosulfonate liquor fed directly to spray dryers for powder production, sourced from bleached sulfite pulp mills. HTS 3804.00.5000 includes concentrated forms prior to final drying.
Sustainable Wood Lye Binder
FSC-certified lignin sulfonate from sustainable sulfite pulp operations, used in engineered wood products like particleboard. Qualifies under HTS 3804.00.5000 as residual lye product regardless of sustainability claims.
High-Purity Lignosulfonate for Pharmaceuticals
Pharma-grade, low-ash sodium lignosulfonate from highly purified pulp lyes, used as tablet binder and stabilizer. Still classifiable under HTS 3804.00.5000 if retaining wood pulp residual character despite refinement.
Desugared Lignin for Carbon Black Dispersant
Sugar-removed lignin sulfonate specifically for dispersing carbon black in rubber and ink production. Originates from concentrated spruce sulfite pulp lyes under HTS 3804.00.5000.