Royalite R57 thermoplastic sheet is a fire-rated, rigid ABS/PVC product specificallydeveloped to meet Federal Aviation Administration requirements. It passes FAR25.853b at 0.047" and above. It combines its lightweight with very high impactstrength, high tensile strength and stiffness, and excellent formability and ductility.Material: RoyaliteGrade: R57Color: 7016 Off WhiteThickness: .156 inchWidth: 12 inchesLength: 12 inchesPackage Quantity: 2 piecesFinish: Level Hair Cell Texture One SideThickness Tolerance: Width Tolerance: Length Tolerance: Notes: 2 pieces, each piece is 12 inches x 12 inches