Polyoxypropylene Glycol Industrial Grade from Mexico
Industrial-grade polyoxypropylene glycol (PPG) in primary liquid form is an other polyether under HTS 3907.29.00.00, featuring propylene oxide-derived ether linkages over 95% by weight. Used in polyurethane foams, coatings, and brake fluids.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
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
• Test for hydroxyl value and molecular weight to prove polymeric status vs monomeric diols
• Document as 'reactive intermediate' for manufacturing to prevent end-use misclassification
• Ensure no fittings attached if in tube form; otherwise 3917 free rate applies per US note