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

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

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Cyclic stability data differentiates from linear MEKP shipping requirements

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