Envirez™ unsaturated polyester resins

Chemistry: Composites

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Envirez resin is the first commercially available unsaturated polyester resin (UPR) containing a significant quantity of renewable materials. Envirez resins are manufactured using an innovative patented process that incorporates a variety of renewably sourced raw materials in the formulation. The product line has been expanded to include resins with recycled content to provide for a large number of more sustainable resin options. 

Envirez resins meet the same performance and processing requirements as 100 percent petroleum-based UPR products and are used in a wide variety of processes and applications within the construction, marine, transportation and energy markets. The Envirez line illustrates Ashland's leadership position in UPR technology and our commitment to introducing new products and services that reduce waste and promote sustainable business practices.

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