Determining Tariff Line Classification for Import Resin Masterbatches
Masterbatch tariff classification depends on active payload function, carrier resin mass fractions, and legal chapter notes override rules.
Chapter 32 Note 3
Meaning
Legal classification guidelines within the Harmonized System tariff schedule determine the tariff boundary between synthetic organic colorants and liquid or paste pigment dispersions in polymer vehicles. Importers apply chapter 32 note 3 to classify liquid colorants and dispersion masterbatches used in plastics moulding. The note applies strictly to preparations based on colorants used for coloring any material or used as ingredients in manufacturing coloring preparations.
It ceases to apply when the product consists of unmixed pigments or synthetic resins containing no added coloring matter.
Classification Threshold
Tariff schedules categorize chemical mixtures based on the specific physical state and chemical vehicle used to suspend active color pigments. Under chapter 32 note 3, liquid dispersions in non-aqueous media containing synthetic organic polymers fall under heading thirty-two eight when the resin vehicle exceeds specified concentration limits. High carrier resin content converts a pigment dispersion from a dye chemical entry into a plastic masterbatch classification.
Proper classification prevents misdeclaration fines at border entry points when custom authorities verify masterbatch compositions.
Masterbatch Rule
Carrier resins like low density polyethylene or ethylene vinyl acetate transport concentrated pigments into primary moulding polymers during extrusion or injection operations. Compliance with chapter 32 note 3 requires verification of non-volatile organic solids and active pigment loadings across imported liquid colorant shipments. Standard melt compounding techniques mix these concentrates directly into virgin resin at specific let down ratios.
Incorrect classification leads to customs delays that halt moulding operations and increase demurrage expenses.
Customs Impact
Border verification audits check chemical compositions against manufacturer safety data sheets to prevent misclassification of tariff items. Incorrect application of chapter 32 note 3 alters applicable duty rates during international shipments of specialized liquid colorants. Polymer converters incur additional import costs when duty adjustments apply retroactively across multi-year shipments.