Aspen Plus is a market-leading process modeling tool for conceptual design, optimization, and performance monitoring for the chemical, polymer, specialty chemical, metals and minerals, and coal power industries. Aspen Plus is a core element of AspenTech’s aspenONE® Process Engineering applications.Aspen Plus also provides users with a complete set of polymer thermodynamics methods and data, rate-based polymerization reaction models, and a library of industrial process models.