Polyoxypropylene Glycol Industrial Grade from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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