General Purpose Sheet
TUFFAK® GP Polycarbonate Sheet has a polished surface, Transparent, UV Stabilized, polycarbonate product. It features outstanding impact strength, and superior dimensional stability. TUFFAK® GP Sheet has a five (5) year Warranty against breakage. The terms of warranty against breakage are set forth in the GP warranty, which is available upon request.
Applications: A broad range of industrial glazing and structural applications, including thermoformed and fabricated components.
Physical |
Property | Test Method | Units | Values |
Specific Gravity | ASTM D 792 | - | 1.2 |
Refractive index | ASTM D 542 | - | 1.586 |
Light Transmission, Clear @ 0.125" | ASTM D 1003 | % | 86 |
Water Absorption, 24 hrs | ASTM D 570 | % | 0.15 |
Poisson's Ratio | ASTM E 132 | - | 0.38 |
Mechanical |
Property | Test Method | Units | Values |
Tensile Strength, Ultimate | ASTM D 638 | psi | 9,500 |
Tensile Strength, Yield | ASTM D 638 | psi | 9,000 |
Tensile Modulus | ASTM D 638 | psi | 340,000 |
Elongation | ASTM D 790 | % | 110 |
Flexural Strength | ASTM D 790 | psi | 13,500 |
Flexural Modulus | ASTM D 695 | psi | 345,000 |
Compressive Strength | ASTM D 695 | psi | 12,500 |
Compressive Modulus | ASTM D 256 | psi | 345,000 |
Izod Impact Strength, Notched @ 0.125" | ASTM D 256 | ft.-lbs./in. | 18 |
Izod Impact Strength, Unnotched @ 0.125" | ASTM D 3763 | ft.-lbs./in. | 60 (no break) |
Instrumented Impact, 0.125" | ASTM D 732 | ft.-lbs. | 47 |
Shear Strength @ Yield | ASTM D 732 | psi | 10,000 |
Shear Strength, ultimate | ASTM D 732 | psi | 6,000 |
Shear modulus | ASTM D 785 | psi | 114,000 |
Rockwell Hardness | ASTM D 785 | - | M70 / R118 |
Thermal |
Property | Test Method | Units | Values |
Coefficient of Thermal Expansion | ASTM D 696 | in/in/°F | 3.75 x 10-5 |
Coefficient of Thermal Conductivity | ASTM C 177 | BTU in/hr ft2 °F | 1.35 |
Heat Deflection Temperature @ 264 psi | ASTM D 648 | °F | 270 |
Heat Deflection Temperature @ 66 psi | ASTM D 648 | °F | 280 |
Brittleness Temperature | ASTM D 746 | °F | -200 |
Shading Coefficient, Clear 0.125" | ASHRAE | - | 1.02 |
U factor 0.25" (summer gain, winter loss) | ASTM D 1363 | BTU/hr ft2 °F | 0.90, 0.96 |
Electrical |
Property | Test Method | Units | Values |
Dielectric Constant @ 10 Hz | ASTM D 150 | - | 2.96 |
Dielectric Constant @ 60 Hz | ASTM D 150 | - | 3.17 |
Volume Resistivity | ASTM D 257 | Ohm/cm | 8.2 X 1016 |
Dissipation Factor @ 60 Hz | ASTM D 150 | - | 0.00009 |
Arc Resistance | | | |
Stainless Steel Strip Electrodes | ASTM D 495 | Seconds | 10-11 |
Tungsten Electrodes | ASTM D 495 | Seconds | 120 |
Dielectric Strength, in air @ 0.125" | ASTM D 149 | V/mil | 380 |
Flammability |
Property | Test Method | Units | Values |
Horizontal Burn, AEB | ASTM D 635 | In | <1 |
Ignition Temperature, Self | ASTM D 1929 | °F | 1070 |
Ignition Temperature, Flash | ASTM D 1929 | °F | 870 |
Flame Class, Clear @ 0.060" | UL 94 | - | V2 |
Flame Class, Clear @ 0.236" | UL 94 | - | V0 |
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Title: Physical Properties for TUFFAK® GP Polycarbonate Sheet
Description: Physical, Mechanical, Thermal, Flammability, and Electrical Typical Properties.
Published: 1/20/2009
Last Edited: 1/11/2023
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