What grade does Corning toughened film belong to?

Upscale. Corning tempered film is positioned as a high-end product in the market, and it is favored by consumers for its excellent quality and protective performance. Corning is a world-renowned manufacturer of special glass and ceramic materials, which are widely used in consumer electronics, auto parts, optical communication equipment and other fields. Corning toughened film adopts Corning's advanced toughening technology and materials, which has high hardness, scratch resistance and toughness, and can effectively protect the screen from scratch, wear, impact and drop.