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HS Codes

Harmonized System Code (HS) Lookup & Finder

Your HS codes determine your compliance, your admissibility, and which supply chain advantages you can capture. See how precision classification can protect your finances and unlock greater strategy.

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Heading / Subheading

Article Description

Unit of Quantity

General

Special

Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip

Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR)

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Containing 50 percent or less styrene by weight of the dry polymer

Styrene-butadiene-styrene block co- polymers produced by solution polymerization (SBS, thermoplastic elastormers), in granules, crumbs or powders

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Styrene-butadiene rubber produced by emulsion polymerization (E-SBR) in bales

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Styrene-butadiene rubber produced by solution polymerization (S-SBR) in bales

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Containing over 50 percent styrene by weight of the dry polymer

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Butadiene rubber (BR)

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Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR)

Isobutene-isoprene (butyl) rubber (IIR)

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Chloroprene (chlorobutadiene) rubber (CR)

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Acrylonitrile-butadiene rubber (NBR)

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Isoprene rubber (IR)

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Ethylene-propylene-nonconjugated diene rubber (EPDM)

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Mixtures of any product of heading 4001 with any product of this heading

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Other

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