Solid surface

Solid surface is a man-made material usually composed of a combination of alumina trihydrate (ATH), acrylic, epoxy or polyester resins and pigments. It is most frequently used for seamless countertop installations.

Solid Surface Top Seamless Integral Kitchen Sink
Integral Cove Slash with Wall Panel

Solid surface was first introduced by DuPont in 1967 under the name of Corian. Since the expiration of their patent other manufacturers have entered the market with their own branded products. These include Hi-Macs by LX Hausys, Hanex Solid Surface by Hyundai L&C, Staron by Lotte Chemical and Velstone.