Tripropylene Glycol from Mexico
Tripropylene glycol is an acyclic triol oligomer used as a reactive diluent in polyurethanes and epoxy resins, falling under HTS 2905.39.90.00 as an 'other' acyclic alcohol derivative. Its propoxylated structure maintains diol-like reactivity.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify exact oligomer distribution (monodisperse vs polydisperse) in technical data
• Distinguish from unreactive polypropylene glycol (Chapter 39)
• Provide viscosity and hydroxyl number confirming reactive diol nature