The wires are usually metal, but some are plastic for use with nonstick cookware. A cheaper, nonstick variety is a common alternative to the copper pan. Some products include a nonstick coating on top of the stainless steel. Prior to 1999, HORT Coating Center used a titanium-reinforced Polytetrafluoroethylene nonstick coating. Glazed ceramics, such as porcelain, provide a nonstick cooking surface. ETFE film is self-cleaning (due to its nonstick surface) and recyclable. Following the sale, he became President of Akzo Nobel Nonstick Coatings. However, its nonstick properties make it challenging to bond to other materials or to itself. It is known for its nonstick properties due to its high amylose content.