Methyl Ethyl Ketone Peroxide (MEKP) from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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