Liquefied Propylene (Polymer Grade)
Polymer-grade liquefied propylene (C3H6) is high-purity propylene liquefied under pressure, used mainly for polypropylene resin manufacturing. Classified under HTS 2711.14.00 due to its status as liquefied unsaturated hydrocarbon gas.
Import Duty Rates by Country of Origin
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.
If 99%+ pure and vaporized/non-liquefied
Pure propylene as a separate chemical in Chapter 29, excluding liquefied petroleum gases.
If for refinery-grade propylene with higher impurities
Less pure grades from petroleum refining may classify under butanes if mixture composition shifts.
If mixed with catalysts for immediate polymerization use
Mixed chemical preparations for specific industrial processes fall under Chapter 38.
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Import Tips & Compliance
• Provide polymerization-grade specification sheets showing low impurities like sulfur or moisture
• Use ISO tank containers certified for cryogenic liquids with proper venting systems
• Declare exact composition to prevent reclassification as lower-grade fuel propylene
Related Products under HTS 2711.14.00
Liquefied Ethylene Gas
Liquefied ethylene (C2H4) is a key petrochemical feedstock used primarily in the production of polyethylene plastics and other chemicals. It falls under HTS 2711.14.00 as a liquefied petroleum gas consisting of ethylene, meeting the classification for unsaturated hydrocarbons in gaseous form under pressure.
Liquefied Butylene Gas (Mixed Isomers)
Liquefied butylene (C4H8), including 1-butene, 2-butene, and isobutylene isomers, used in synthetic rubber and plastics production. HTS 2711.14.00 covers these as liquefied butylene unsaturated hydrocarbons.
Liquefied Propylene-Propane Mix (60/40)
A liquefied mixture containing 60% propylene and 40% propane, used as chemical feedstock. Classified under HTS 2711.14.00 because propylene (unsaturated) is the principal component among named gases.
Cryogenic Liquefied Ethylene for PE Production
Ultra-pure ethylene liquefied at cryogenic temperatures (-104°C) specifically for high-density polyethylene (HDPE) manufacturing. HTS 2711.14.00 applies to this liquefied ethylene petrochemical.
Polymerization-Grade Liquefied Butadiene Mix
Liquefied C4 stream with 40-60% 1,3-butadiene plus butylenes, inhibited for rubber polymerization. Principal butadiene content places it in HTS 2711.14.00.
Liquefied Propylene for Acrylic Acid Production
Liquefied propylene feedstock for oxidation to acrylic acid and acrylates. Chemical-grade purity qualifies under HTS 2711.14.00 as liquefied propylene.