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Polymer-Grade Liquefied Butylene (C4 Olefin Mix)

Polymer-grade liquefied butylene is a high-purity C4 olefin mixture (85%+ total butylene isomers) for polyethylene co-monomer use, falling under tariff item 2711.14.00. Specifications ensure low impurities for resin production.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2711.19.10Higher: 12.5% vs Free

If the product is a mixture of liquefied petroleum gases not specifically butylene

Other liquefied petroleum gases and gaseous hydrocarbons are classified under this subheading.

2901.10.00Same rate: Free

If the product is a separate chemically defined organic compound

Chapter 27 excludes separate chemically defined organic compounds, which are classified in Chapter 29.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Confirm that the product is classified as butylene under 2711.14.00 and not as a separate chemically defined compound

• Provide the CBSA with purity specifications and intended use in polymer production

• Ensure compliance with safety regulations for handling high-purity olefins

Related Products under Tariff item 2711.14.00

Chemical Synthesis Liquefied Propylene

High-spec liquefied propylene used in chemical synthesis for producing propylene oxide and cumene. This product is a liquefied form of propylene, a gaseous hydrocarbon classified under tariff item 2711.14.00.

Cryogenic Liquefied Ethylene for PE Production

Ultra-pure ethylene liquefied at cryogenic temperatures (-104°C) for high-density polyethylene (HDPE) manufacturing. This product is a liquefied form of ethylene, a gaseous hydrocarbon classified under tariff item 2711.14.00.

Cryogenic Liquefied Ethylene for PE Resin Manufacturing

High-purity liquefied ethylene maintained at cryogenic temperatures for polymerization into polyethylene resins. This is explicitly under tariff item 2711.14.00 as liquefied ethylene petroleum gas, imported in ISO tank containers.

Industrial Liquefied Butadiene-1,3

Liquefied 1,3-butadiene for industrial chemical synthesis, meeting specifications for latex and elastomer production. This product is a liquefied form of butadiene, a gaseous hydrocarbon, and is classified under tariff item 2711.14.00.

Industrial Liquefied Ethylene for Ethylene Glycol Synthesis

Liquefied ethylene gas imported for oxidation processes producing ethylene glycol antifreeze and polyester precursors. Classified in tariff item 2711.14.00 due to its status as liquefied ethylene petroleum gas, transported in specialized containers.

Industrial Liquefied Propylene Feedstock

Industrial liquefied propylene used as feedstock in refineries and petrochemical facilities for producing plastics and solvents. This product is a pure, liquefied form of propylene, a gaseous hydrocarbon, and is classified under tariff item 2711.14.00.