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2909.60.50.00/Methyl Ethyl Ketone Peroxide (MEKP)/Mexico

Methyl Ethyl Ketone Peroxide (MEKP) from Mexico

MEKP is the standard curing agent for unsaturated polyester resins in fiberglass composites and gelcoats. As a ketone peroxide solution, it falls under HTS 2909.60.5000 per Chapter 29 for organic peroxides dissolved in solvents for safe transport (note e).

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Phthalate diluent content declaration required to confirm transport solvent suitability

• 9% active oxygen specification prevents explosive classification under UN standards

• Avoid Chapter 32 paint hardener reclassification with polymerization catalyst documentation

Methyl Ethyl Ketone Peroxide (MEKP) from Mexico — Import Duty Rate | HTS 2909.60.50.00