The Riverside Company, a global investment firm focused on the smaller end of the middle market, announced it has invested in Key Polymer, a specialty manufacturer of high-performance adhesives, sealants and coatings for a diverse range of industries. This investment is the first add-on to platform company Seatex, a leading provider of chemical manufacturing and technology solutions for startups through Fortune 100 companies.

Founded in 1959, Key Polymer is a provider of both proprietary chemistry and custom blending services operating through the Key Polymer, Unichem, Crosslink and Durant brands. The company serves customers through two ISO 9001:2015–certified manufacturing facilities in Lawrence, Massachusetts and Greenville, South Carolina, each supported by robust formulation and product development capabilities. Key Polymer’s primary product technologies include acrylics, epoxies, urethanes, butyl rubber wax blends, bonding agents and fire retardants, and are used in a wide variety of segments, including industrial, automotive, aerospace, electronics, transportation manufacturing and construction infrastructure.

Read full press release here.