Tuffak® IR is a polycarbonate sheet product developed to meet ANSI Z87.1, EN 169, and CSA Z94.3 standards for face shield applications. Proprietary additive systems block UV and IR light providingprotection during gas flame welding and cutting operations and meeting the requirements for welding shades 3 and 5. Polycarbonate’s toughness provides outstanding impact performance and state-of-the-art extrusion manufacturing delivers high optical quality needed for face shield applications.