Chapter 3806 — Customs Tariff Headings

Abietic Acid Powder

Abietic acid powder is the primary resin acid component of rosin, isolated and purified for use in pharmaceuticals and fine chemicals. It constitutes 30-50% of natural rosin and is a separate chemically defined compound. Under Chapter 38 Note 1(a), separate chemically defined elements or compounds are excluded from this chapter unless specifically listed; however, abietic acid is a resin acid and falls under heading 38.06 as a resin acid, which is not excluded by the note.

American Gum Rosin from Slash Pine

American gum rosin from slash pine is a premium gum rosin from US Southern slash pine (Pinus elliottii), distilled for optical-grade clarity in printing inks. It is a pure gum rosin acid from oleoresin. This unmodified rosin falls under tariff item 3806.10.00.

Brazilian Pine Gum Rosin

Brazilian pine gum rosin is sourced from Brazilian Pinus elliottii plantations via oleoresin tapping, featuring high abietic acid content for varnish production. It is a gum rosin from direct tree exudate. This unmodified rosin falls under tariff item 3806.10.00.

Brazilian Pine Rosin

Brazilian pine rosin is extracted from Pinus elliottii trees, offering high purity resin acids for use in printing inks and adhesives. It qualifies as rosin and resin acids under tariff item 3806.10.00, regardless of specific color or grade. This unmodified rosin falls under the item.

Chinese Pine Rosin N Grade

Chinese pine rosin N grade from Pinus massoniana provides balanced resin acids for soap and paper industries. It is a medium-color rosin suitable for cost-sensitive emulsifier production. This unmodified rosin falls under tariff item 3806.10.00.

Colophony Gum Rosin

Colophony gum rosin is the natural resin obtained from tapping the oleoresin of pine trees, primarily Pinus palustris species. It is a gum rosin, distinct from wood rosin derived from stumps. This unmodified rosin falls under tariff item 3806.10.00.

Color Grade K Rosin

Color grade K rosin is dark-colored gum rosin with high resin acid content, used in tire tackifiers and low-end adhesives. It is graded by the Gardner scale and consists primarily of resin acids. As a natural rosin, it falls under tariff item 3806.10.00 for rosin and resin acids.

Gum Rosin

Gum rosin is a natural resin acid derived from the oleoresin of pine trees, primarily consisting of abietic acid and other resin acids. It is obtained by distillation of crude turpentine and processed into solid form. This unmodified gum rosin falls directly under tariff item 3806.10.00.

Gum Rosin Grade WG

Gum rosin grade WG is a pale yellow, translucent resin derived from the oleo-resin of pine trees, primarily consisting of resin acids. It is a standard gum rosin grade. This unmodified rosin falls under tariff item 3806.10.00.

Pimaric Acid Crystals

Pimaric acid crystals are a levopimaric resin acid from pine rosin, used in specialty adhesives and as a chiral reagent. Isolated via crystallization, this specific resin acid falls under tariff item 3806.10.00 as a resin acid. It is not excluded by Chapter 38 Note 1(a) since resin acids are not separate chemically defined compounds excluded from the chapter.

Portuguese Gum Rosin

Portuguese gum rosin is a high-quality gum rosin from maritime pine (Pinus pinaster) in Portugal, valued for its stability in musical instrument varnishes. It is an unmodified rosin and resin acid from gum sources. This falls under tariff item 3806.10.00.

Refined Pine Rosin Acids

Refined pine rosin acids are purified extracts from slash pine, with minimized impurities for electronics flux. The acid number is typically 165+, indicating high resin acid content. This refined form of natural rosin acids falls under tariff item 3806.10.00.

Tall Oil Rosin

Tall oil rosin is produced from by-products of wood pulping, containing resin acids like pimaric and abietic acids. It is distilled for use in soaps and paper sizing. This rosin falls under tariff item 3806.10.00 as rosin and resin acids, regardless of its source.

WW Grade Gum Rosin

WW grade gum rosin is a high-clarity, pale yellow resin from distilled pine gum, used in premium adhesives and soap tackifiers. It is a gum-sourced rosin with low color and high purity. This unmodified rosin falls under tariff item 3806.10.00.

WW Grade Wood Rosin

WW grade wood rosin is extracted from pine stumps via solvent extraction, yielding high-purity resin acids standardized by color and acid number. It is widely used in printing inks and adhesives. This wood rosin falls under tariff item 3806.10.00 as rosin and resin acids.

Ammonium Rosinate Emulsifier

> Ammonium rosinate is the ammonium salt of rosin acids, typically derived from tall oil rosin. It is used as an emulsifier in paper coatings and other industrial applications. As a salt of rosin acids (not an adduct), it falls squarely under tariff item 3806.20.00.

Calcium Rosinate Flakes

> Calcium rosinate flakes are the calcium salts of rosin acids, appearing as yellowish flakes. They function as driers in paints and varnishes. As a metal salt of rosin acids, this product is correctly classified under tariff item 3806.20.00, excluding adducts.

Disproportionated Rosin Zinc Salt

> Disproportionated rosin zinc salt is the zinc salt of disproportionated rosin acids, used as a tackifier in inks. Despite the disproportionation process, it remains a salt of rosin acids and is not an adduct. Therefore, it is classified under tariff item 3806.20.00.

Lead-Free Rosin Calcium Salt

> Lead-free calcium rosinate is an environmentally friendly version of calcium rosinate, used in eco-paints. It is a calcium salt of rosin acids, with no lead content. This product falls under tariff item 3806.20.00 as a standard rosin acid salt, not an adduct.

Magnesium Rosinate Paste

> Magnesium rosinate paste is the magnesium salt of rosin acids, supplied in paste form for rubber compounding. As a salt of rosin acids, it is classified under tariff item 3806.20.00, provided it is not a salt of a rosin adduct. The paste consistency does not affect its classification.

Potassium Rosinate Solution 50%

> Potassium rosinate solution is a 50% aqueous solution of the potassium salt of rosin acids, used as a colloid stabilizer in emulsions. The liquid form remains a salt of rosin acids and is not an adduct. Therefore, it is classified under tariff item 3806.20.00.

Rosin Acid Sodium Salt Technical Grade

> Technical grade sodium salt of resin acids is used in industrial soaps. It is a sodium salt of rosin acids, not an adduct. This product is correctly classified under tariff item 3806.20.00 as a salt of rosin or resin acids.

Sodium Rosinate Powder

> Sodium rosinate powder is the sodium salt of rosin acids, derived from pine tree resin. It is used as an emulsifier in soap manufacturing and paper sizing. This product is explicitly a salt of rosin acids and falls under tariff item 3806.20.00, excluding adducts.

Zinc Rosinate Granules

> Zinc rosinate granules are the zinc salt of resin acids from rosin, used in adhesives and ink production. As a salt of rosin acids, not an adduct, this product is classified under tariff item 3806.20.00. The granular form does not affect classification.

Chewing Gum Base Ester Gum

Chewing gum base ester gum is a glycerol-rosin ester that provides chew elasticity and flavor release in gum base formulations. Its water-insoluble nature maintains gum cohesion during mastication, making it a key ingredient in chewing gum production. This product falls under tariff item 3806.30.00 as an ester gum derived from rosin.

Food-Grade Ester Gum for Soft Drinks

Food-grade ester gum for soft drinks is typically glycerol or pentaerythritol rosin esters used to stabilize citrus oils in carbonated beverages. It prevents oil separation and enhances mouthfeel without affecting flavor, making it essential for beverage emulsion stability. This product is classified under tariff item 3806.30.00 as an ester gum.

Glycerol Ester of Wood Rosin (Food Grade)

Glycerol ester of wood rosin is a pale, tack-free resin approved as a food additive (E445) for beverages and confections. It functions as an emulsifier in citrus oil beverages and as a masticatory substance in chewing gum. This product falls under tariff item 3806.30.00 as an ester gum derived from rosin.

High-Softening Point Penta Rosin Ester

High-softening point pentaerythritol rosin ester (130-110°C ring & ball) provides heat resistance in tire cord adhesives and tape formulations. It is derived from disproportionated tall oil rosin for color stability and performance. This product is classified under tariff item 3806.30.00 as an ester gum.

Liquid Methyl Ester Gum for Printing Inks

Liquid methyl ester gum serves as a solvent-free plasticizer in lithographic and gravure printing inks. Its low viscosity enables high pigment loading without tack buildup, improving print quality. This product falls under tariff item 3806.30.00 as an ester gum derived from rosin.

Methyl Ester of Rosin (Methyl Rosinate)

Methyl ester of rosin, also known as methyl rosinate, is a low-viscosity liquid resin formed by esterifying rosin acids with methanol. It serves as a plasticizer in inks, coatings, and synthetic rubber compounds. This product is classified under tariff item 3806.30.00 as an ester gum.

Pentaerythritol Ester of Tall Oil Rosin

Pentaerythritol ester of tall oil rosin is a high-viscosity synthetic resin produced by esterifying tall oil rosin acids with pentaerythritol. It is widely used as a tackifier in adhesives, hot-melt glues, and pressure-sensitive tapes. This product falls under tariff item 3806.30.00 as an ester gum.

Triethylene Glycol Ester of Rosin

Triethylene glycol ester of rosin is a soft, tacky resin used in hot-melt adhesives and bookbinding glues. Its polyol esterification provides flexibility and low melt viscosity, making it ideal for bonding applications. This product is classified under tariff item 3806.30.00 as an ester gum.

Disproportionated Rosin

Disproportionated rosin is a heat-treated derivative of rosin that stabilizes abietic acid, making it suitable for solder fluxes and inks. It is classified under tariff item 3806.90.00 as a processed derivative of rosin and resin acids, not elsewhere specified.

Fortified Rosin

Fortified rosin is rosin enhanced with polymerized rosin to improve stability in adhesives. It retains the characteristics of rosin acids and falls under tariff item 3806.90.00 as a derivative not elsewhere specified.

Gum Rosin

Gum rosin is a natural resin obtained from the oleoresin of pine trees, used in adhesives, printing inks, and soaps. It is classified under tariff item 3806.90.00 as a rosin and resin acid derived from tree exudates, falling under the 'other' category.