We offer the world's largest range of curing agents for unsaturated polyester resins, vinyl ester resins and (meth)acrylate resins.

Our portfolio includes organic peroxides (catalysts), accelerators, promoters and inhibitors. We are home to Butanox®, the world’s leading brand of MEKP (methyl ethyl ketone peroxide).

Nouryon’s products shape the world around us. Our products are found in a wide variety of manufactured goods, including pipes, yachts, storage tanks, wind turbines to biofiber-based composite bridges. We understand the future needs of the unsaturated polyester resin composite industry and are committed to helping you further improve your curing systems. We have the technological answers you need.

We believe that success is created together in a joint effort between our customers and Nouryon and believe in creating and maintaining close partnerships.

What do you want to achieve? Are you looking for new curing agents for unsaturated polyester resin composites? Gelcoats to optimize your application? Improve efficiencies and resolving difficulties? Or are you looking for Cobalt-free curing systems to make your composites more sustainable? We're happy to meet with you to discuss your requirements and provide you with the essential ingredients needed to make composites.

Your safety is our priority. That’s why we share our knowledge on how to safely handle, store and use organic peroxides and accelerators. We provide in-house courses, online training and help with designing storage facilities. These unique services help you work safely with our curing agents for unsaturated polyester and vinyl ester resins. Find out more on our organic peroxides safety page

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Applications for curing agents