Product Description: Polycarbonate commonly known as Lexan or Sungard used for sign faces demanding structural integrity and is specially formulated to provide maximum impact resistance, high heat resistance, and superior forming and fabrication characteristics. Polycarbonate is not as brittle as acrylic and will be less likely to crack or shatter and can be back lighted for interior and exterior sign cabinets. Available in maximum 76 inches x 40 feet sheets before paneling.