SI Group, a leading performance additives company, announces the completion of the sale of a majority of its global Industrial Resins business to ASK Chemicals, a portfolio company of private equity firm, Rhône Group.

The transaction includes SI Group's Industrial Resins products and associated manufacturing sites in Rio Claro, Brazil; Ranjangaon, India; and Johannesburg, South Africa, as well as licensed technology and multiple tolling agreements globally.

SI Group is retaining related businesses in Rio Claro, Brazil and will continue servicing customers in the Rubber & Adhesives, Oilfield, Surfactants, and Foundry markets. SI Group also retains the Industrial Resin businesses in the U.S. and China.