Valvoline DEF Ultra-Pure Solution from China
Valvoline DEF is an ultra-pure 32.5% urea aqueous solution certified to ISO 22241 for use in modern diesel vehicles with SCR systems. It prevents catalyst poisoning and maintains emission system efficiency. Classified under HTS 3102.10.00.30 as DEF specifically meeting the ISO standard within nitrogenous urea aqueous solutions.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit third-party lab analysis confirming 32.5% urea concentration and biuret levels below 0.3% per ISO specs
• Ensure temperature-controlled shipping documentation for frozen climates to prevent crystallization issues at customs
• Distinguish industrial bulk shipments from consumer retail packaging in commercial invoices