2909.60.50.00/3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane/Mexico

3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane from Mexico

Methyl ethyl ketone cyclic trimer peroxide used in polyester resin curing. As a chemically defined ketone peroxide, it falls under HTS 2909.60.5000, with Chapter 29 notes confirming inclusion despite cyclic structure.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Cyclic stability data differentiates from linear MEKP shipping requirements

• Confirm <9% active oxygen prevents Type D sensitivity classification