3911.90.91/C5 Aliphatic Petroleum Resin/Canada

C5 Aliphatic Petroleum Resin from Canada

C5 aliphatic petroleum resin is a thermoplastic resin derived from the C5 fraction of petroleum cracking, used primarily as a tackifier in adhesives and hot-melt coatings. It falls under HTS 3911.90.91 as a petroleum resin in primary forms (pellets or granules), not elsewhere specified, meeting the chapter note criteria for polymers specified in note 3. This classification applies because it is a hydrocarbon resin with predominant C5 monomer units exceeding 95% by weight.

Duty Rate — Canada → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Verify monomer composition via lab analysis to confirm >95% C5 content per subheading note (a)(1) to avoid reclassification

• Provide supplier certificates specifying primary form (e.g

• granules <5mm) and non-phenolic nature to support NES status

C5 Aliphatic Petroleum Resin from Canada — Import Duty Rate | HTS 3911.90.91