Methyl Ethyl Ketone Peroxide (MEKP)
Methyl ethyl ketone peroxide (MEKP) is a ketone peroxide solution used as a curing agent for unsaturated polyester resins in fiberglass composites and gelcoats. It is classified under tariff item 2909.60.00 as a ketone peroxide, meeting Chapter 29 provisions for organic peroxides in solution.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the solution includes accelerators or other additives
Formulated curing agents may be classified as chemical preparations.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• MEKP is typically shipped as a solution; ensure the solvent does not make it suitable for a specific use, per Chapter 29 notes
• Verify if the product requires a permit under Canada's Explosives Act or related regulations
• Provide a detailed safety data sheet and concentration info to CBSA
Related Products under Tariff item 2909.60.00
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
> 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane is a symmetrical dialkyl peroxide used as a high-temperature initiator for crosslinking polyethylene and other polymers. It is a separate chemically defined organic compound containing peroxide functional groups, which falls under tariff item 2909.60.00 for alcohol peroxides, ether peroxides, and ketone peroxides. Its structure and use align with the scope of Chapter 29, which covers organic peroxides.
2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne
> 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne is a peroxide with acetylenic functionality used for specialty elastomer crosslinking. It is a separate chemically defined organic compound with peroxide groups, falling under tariff item 2909.60.00. The product is an ether peroxide within Chapter 29's scope, with the peroxide function taking precedence over the alkyne.
3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane
> 3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane is a cyclic ketone peroxide used in polyester resin curing. It is a separate chemically defined organic compound with multiple peroxide groups, falling under tariff item 2909.60.00. The product is a ketone peroxide within Chapter 29's scope, despite its cyclic structure.
Benzoyl Peroxide Paste
> Benzoyl peroxide paste (33% active) is a formulation of benzoyl peroxide in water or dispersant, used as a flour bleach, rubber accelerator, and acne treatment active. It is a separate chemically defined compound with a diacyl peroxide structure, falling under tariff item 2909.60.00. The aqueous solution is covered by Chapter 29 note 1(d) for products dissolved in water.
Benzoyl Peroxide (Pharmaceutical Grade)
> Benzoyl peroxide in pharmaceutical grade is a high-purity organic peroxide used as an active ingredient in acne treatments and as a polymerization initiator. It is a separate chemically defined compound with a diacyl peroxide structure, falling under tariff item 2909.60.00. The product meets Chapter 29 criteria for organic peroxides, whether or not chemically defined.
Benzyl tert-Butyl Ether Peroxide
> Benzyl tert-butyl ether peroxide is an aromatic ether peroxide used in low-temperature polymerization initiators. It is a separate chemically defined organic compound with a peroxide group, falling under tariff item 2909.60.00. The product is an ether peroxide within Chapter 29's scope.