TUFFAK OP-V polycarbonate sheet OPTICAL QUALITY TUFFAK OP-V sheet is a polished surface UV stabilized transparent polycarbonate product. OP-V is a flame retardant grade UL 94 V-2 rating at 0.060 and greater and V-0 rating at 0.236 and greater. Designed for use in applications requiring improved optical quality it features outstanding impact strength superior dimensional stability high temperature resistance and high clarity. This lightweight thermoformable sheet is also easy to fabricate and decorate. TUFFAK OP-V sheet is offered with a five 5 year Limited Product Warranty against breakage. The terms of the warranty are available upon request. APPLICATIONS Electrical cabinet doors and thermoformed enclosures 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 88 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 73F ASTM D 570 0.15 Poissons Ratio ASTM E 132 0.38 Tensile Strength Break 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 18 Izod Impact Strength Unnotched 0.125 ASTM D 256 ftlbsin 60 no break Instrumented Impact 0.125 ASTM D 3763 ftlbs 47 Shear Strength Break 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 3.75 x 10-5 MECHANICAL THERMAL Coefficient of Thermal Expansion ASTM D 696 ininF Coefficient of Thermal Conductivity ASTM C 177 BTUinhrft2F 1.35 Heat Deflection Temperature 264 psi ASTM D 648 F 270 Heat Deflection Te
mperature 66 psi ASTM D 648 F 280 Brittleness Temperature ASTM D 746 F -200 Shading Coefficient Clear 0.236 NFRC 100-2010 0.97 Shading Coefficient Gray or Bronze 0.236 NFRC 100-2010 0.77 U factor 0.236 summer winter NFRC 100-2010 BTUhrft2F 0.85 0.92 U factor 0.375 summer winter NFRC 100-2010 BTUhrft2F 0.78 0.85 Flame Class 0.060 UL 94 V-2 Flame Class 0.236 UL 94 V-0 FLAMMABILITY Typical properties are not intended for specification purposes
