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Synthetic Quenching Oil for Heat Treatment from China

Premium quenching oil used in metallurgy for rapid cooling of hot steel parts to achieve desired hardness. Contains over 70% petroleum distillates with additives for thermal stability and minimal oxidation. Fits HTS 2710.19.30.70 as it meets the definition of quenching oils for industrial hardening processes.

Duty Rate — China → United States

25%

Rate breakdown

9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
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

Provide manufacturer's specification confirming quenching application and flash point

Ensure proper UN number and packaging for flammable liquids per 49 CFR

Avoid misdeclaration as motor oil to prevent duty evasion penalties