Chapter 3804 — Customs Tariff Headings
Products classified under Tariff item 38.04
Ammonium Lignosulfonate Granules
Granulated ammonium lignosulfonate used as a dust control agent and ceramic binder, produced from desugared lignin sulfonic acids in wood pulp spent liquors. It is a chemically treated residual lye, classifiable under tariff item 3804.00.00.
3804.00.00Ammonium Lignosulfonate Spray-Dried Powder
Ammonium lignosulfonate spray-dried powder derived from neutralized sulfite pulp waste. It is a residual lye from wood pulp manufacture, chemically treated and concentrated, and falls under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Calcium Lignosulfonate Liquid
Calcium lignosulfonate liquid, a concentrated residual lye from wood pulp sulfite digestion, used as a concrete plasticizer and animal feed pellet binder. It falls under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Calcium Lignosulfonate Powder
Calcium lignosulfonate powder, a water-soluble anionic polyelectrolyte from sulfite pulping of wood. It is a residual lye, chemically treated and concentrated, and is classifiable under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Chrome Tanning Agent Lignin Derivative
Chrome tanning agent lignin derivative, a specially precipitated calcium lignosulfonate from pulp mill recovery used to complex chrome salts in leather tanning. It is a chemically treated residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00Concentrated Lignosulfonic Acid Sodium Salt Solution
Concentrated lignosulfonic acid sodium salt solution, desugared and concentrated spent sulfite liquor from softwood pulping. It is a residual lye from wood pulp manufacture, chemically treated, and falls under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Concentrated Sulfite Pulp Lignin Solution
Concentrated sulfite pulp lignin solution, a 50% solids solution of lignin sulfonates from magnesium-based sulfite pulping, used in dye dispersants and leather tanning. It is a residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00Desugared Black Liquor Solids
Desugared black liquor solids recovered from spent sulfite pulping liquor, containing primarily lignin sulfonates for use in gypsum board production. It is a chemically treated residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00Desugared Calcium Lignosulfonate Flakes
Desugared calcium lignosulfonate flakes with reduced sugar content from softwood sulfite process. It is a chemically treated residual lye from wood pulp manufacture, classifiable under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Desugared Lignin for Carbon Black Dispersant
Desugared lignin for carbon black dispersant, a sugar-removed lignin sulfonate for dispersing carbon black in rubber and ink production, originating from concentrated spruce sulfite pulp lyes. It is a residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00Gypsum Board Dispersant Lignosulfonate
Gypsum board dispersant lignosulfonate, a low-viscosity ammonium lignosulfonate solution optimized for gypsum slurry flow in wallboard manufacturing, derived from concentrated, desugared softwood pulp lyes. It is a residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00High-Purity Lignosulfonate for Pharmaceuticals
High-purity lignosulfonate for pharmaceuticals, a pharma-grade, low-ash sodium lignosulfonate from highly purified pulp lyes, used as a tablet binder and stabilizer. It retains the character of a residual lye from wood pulp and is classifiable under tariff item 3804.00.00.
3804.00.00Lignin Sulfonate Concrete Dispersant
Lignin sulfonate concrete dispersant, a concentrated sodium-based lignin sulfonate acting as a high-range water reducer in ready-mix concrete, directly derived from black liquor of sulfite pulp mills. It is a residual lye from wood pulp, classifiable under tariff item 3804.00.00.
3804.00.00Magnesium Lignosulfonate Granules
Magnesium lignosulfonate granules produced by neutralizing lignin sulfonic acid from spent sulfite pulping liquor. It is a residual lye from wood pulp manufacture, chemically treated, and falls under tariff item 3804.00.00 as a lignin sulphonate.
3804.00.00Sodium Lignosulfonate Liquid
Sodium lignosulfonate liquid, the sodium salt of lignin sulfonic acid from spent sulfite liquor, often concentrated for use as a dust suppressant and concrete plasticizer. It is a residual lye from wood pulp manufacture, classifiable under tariff item 3804.00.00.