Cadox M-50a

Product Line Organic peroxides

Cadox® M-50a is a preferred fast acting MEKP formulation for curing promoted unsaturated polyester resins.

  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

  • Physical form

  • Regional availability

    Africa, Europe, India, Latin America, Middle East, North America
  • Chemical name

    Methyl ethyl ketone peroxide
  • Molecular drawing

    Organic peroxide
  • Applications

    Cadox® M-50a is a multipurpose catalyst for the room temperature cure of promoted unsaturated polyester resins. Unpromoted unsaturated polyester resins can be heat-cured with Cadox® M-50a in the temperature range of 100-127°C. Cadox® M-50a VR also has a high MEKP monomer content which may provide faster gel times in some resin systems. Additional end-use information is available in Nouryon’s brochures.

Market Segments

Thermoset composites

Detailed description

Cadox® M-50a is a highly reactive industry standard MEKP formulation for curing promoted unsaturated polyester matrices at room temperature.


  • Curing agent


  • Centrifugal casting,
  • Continuous Laminating,
  • Resin Transfer Molding,
  • Spray fillers,
  • Hand lay-up & spray-up
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Get in touch!

For more information about Cadox M-50a, please contact our technical experts. We look forward to hearing from you.

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