TUFFAK UV polycarbonate sheet EXTENDED UV RESISTANCE TUFFAK UV sheet is a transparent polycarbonate product with an advanced UV resistance technology that assures long lasting outdoor weathering performance in flat and curved glazing applications. It has higher impact resistance than acrylic and glass and it can be cold-formed during installation. TUFFAK UV is produced with high optical quality and minimal distortion in clear a range of standard architectural tints or can be custom matched to any color. TUFFAK UV has a ten 10 year Limited Product Warranty against breakage yellowing and loss of light transmission. The terms of the warranty are available upon request. APPLICATIONS Awnings entryway canopies skylights barrel vaults glazed archways covered pedestrian walkways and sloped vertical and curved glazing Typical Properties Property Test Method Units Values PHYSICAL Specific Gravity ASTM D 792 1.2 Refractive Index ASTM D 542 1.586 Light Transmission Clear 0.118 ASTM D 1003 86 Light Transmission I30 Gray 0.118 ASTM D 1003 50 50 Light Transmission K09 Bronze 0.118 ASTM D 1003 Light Transmission I35 Dark Gray 0.118 ASTM D 1003 18 Water Absorption 24 hours ASTM D 570 0.15 Poissons Ratio ASTM E 132 0.38 Tensile Strength Ultimate ASTM D 638 psi 9500 Tensile Strength Yield ASTM D 638 psi 9000 Tensile Modulus ASTM D 638 psi 340000 Elongation ASTM D 638 110 Flexural Strength ASTM D 790 psi 13500 Flexural Modulus ASTM D 790 psi 345000 Compressive Strength ASTM D 695 psi 12500 Compressive Modulus ASTM D 695 psi 345000 Izod Impact Strength Notched 0.125 ASTM D 256 ftlbsin 16 Izod Impact Strength Unnotched 0.125 ASTM D 256 ftlbsin 60 no break Instrumented Impact 0.125 ASTM D 3763 ftlbs 47 Shear Strength Ultimate ASTM D 732 psi 10000 Shear Strength Yield ASTM D 732 psi 6000 Shear Modulus ASTM D 732 psi 114000 Rockwell Hardness ASTM D 785 M70 R118 ASTM D 696 ininF 3.75 x 10-5 MECHANICAL THERMAL Coefficient of Thermal Expansion
