From the Web site below:

DuPont created the solid surface category more than 30 years ago. An advanced blend of natural materials and pure acrylic polymer, Corian® is a brand that has earned trust and respect as a proven material that brings design versatility, long-term performance and value to any environment.

Corian® is manufactured by DuPont in the form of sheets and sinks. The sheets are precut into specific lengths at the factories and then shipped to a worldwide network of distributors. Authorized Distributors and Retailers of Corian® are trained professionals who help everyone who uses Corian® meet all specification, fabrication and installation requirements.

Thanks to its unique balance of beauty and performance, Corian® lends itself to imaginative uses, innovative interpretations and enduring applications.