Interplastic Corporation is a leading specialty chemical company based in St. Paul, Minnesota, specializing in the production and distribution of unsaturated polyester and vinyl ester resins, gel coats, colorants, and putties for the composites and cast polymer industries. With over 50 years of experience, the company has established itself as a key player in the market by focusing on innovative solutions and maintaining a stable ownership structure. Interplastic operates three full-service product development laboratories and is ISO 9001:2015 and ISO 14001:2015 certified, ensuring high-quality manufacturing and environmental management. The company offers a wide range of products under the Co REZYN® and Silmar® brand names, catering to diverse industries such as marine, transportation, and construction, and has a strong distribution network across North America and globally.
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