Trigonox 263

Product Line Organic peroxides

Organic peroxide

Trigonox 263 is a methyl ethyl ketone peroxide and cumyl hydroperoxide.

  • Product name

    Trigonox 263
  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

    1338-23-4; 80-15-9
  • Physical form

  • Regional availability

    Latin America, North America
  • Chemical name

    Methyl ethyl ketone peroxide and cumyl hydroperoxide, solution in 2,2,4-trimethyl-1,3-pentanediol diisobutanoate
  • Applications

    Trigonox 263 is a convenient pre-blended initiator suitable for curing unsaturated polyester, vinyl ester and acrylic thermosetting resins at ambient conditions in conjunction with a metal salt. Trigonox 263 produces lower exotherms than standard MEKPs and is useful in warm and hot weather climates. Applications include cast polymer and laminates. Additional end-use information is available in Nouryon’s application brochures.

Market Segments

Thermoset composites

Detailed description

Trigonox 263 is an initiator blend for limiting exotherm or increased working time in unsaturated polyester, vinylester and acrylic thermosetting resins.


  • Curing agent


  • Centrifugal casting,
  • Resin Transfer Molding,
  • Infusion,
  • Hand lay-up & spray-up
Read more

Get in touch!

For more information about Trigonox 263, please contact our technical experts. We look forward to hearing from you.

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