Physical Properties for TUFFAK® GP Polycarbonate Sheet

TUFFAK® GP Polycarbonate
General Purpose Sheet
TUFFAK® GP Sheet is 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.

Property	Test Method	Units	Values
Physical Specific Gravity Refractive index Light Transmission, Clear @ 0.125” Water Absorption, 24 hrs Poisson’s Ratio	ASTM D 792 ASTMD 542 ASTM D1003 ASTM D570 ASTM E132	- - % % -	1.2 1.586 86 0.15 0.38
Mechanical Tensile Strength, Ultimate Tensile Strength, Yield Tensile Modulus Elongation Flexural Strength Flexural Modulus Compressive Strength Compressive Modulus Izod Impact Strength, Notched @ 0.125” Izod Impact Strength, Unnotched @ 0.125” Instrumented Impact, 0.125” Shear Strength @ Yield Shear Strength, ultimate Shear modulus Rockwell Hardness	ASTM D638 ASTM D638 ASTM D638 ASTM D638 ASTM D790 ASTM D790 ASTM D695 ASTM D695 ASTM D256 ASTM D256 ASTM D3763 ASTM D732 ASTM D732 ASTM D732 ASTM D785	psi psi psi % psi psi psi psi ft-lbs/in ft-lbs/in ft-lbs psi psi psi -	9,500 9,000 340,000 110 13,500 345,000 12,500 345,000 18 60(no failure) >45 6,000 10,000 114,000 M70/R118
Thermal Coefficient of Thermal Expansion Coefficient of Thermal Conductivity Heat Deflection Temperature @ 264 psi Heat Deflection Temperature @ 66 psi Brittleness Temperature Shading Coefficient, Clear 0.125” U factor 0.25” (summer gain, winter loss)	ASTM D696 ASTM C177 ASTM D648 ASTM D648 ASTM D746 ASHRAE ASTM D1363	in/in/°F BTU in/hr ft2 °F °F °F °F - BTU/hr ft2 °F	3.75 X 10-5 1.35 270 280 -200 1.02 0.70 0.90, 0.96
Electrical Dielectric Constant @ 10 Hz Dielectric Constant @ 60 Hz Volume Resistivity Dissipation Factor @ 60 Hz Arc Resistance Stainless Steel Strip Electrodes Tungsten Electrodes Dielectric Strength, in air @ 0.125”	ASTM D150 ASTM D150 ASTM D257 ASTM D150 ASTM D495 ASTM D495 ASTM D149	- - Ohm/cm - Seconds Seconds V/mil	2.96 3.17 8.2 X 1016 0.00009 10-11 120 380
Flammability Horizontal Burn, AEB Ignition Temperature, Self Ignition Temperature, Flash Flame Class, Clear @ 0.060” Flame Class, Clear @ 0.236”	ASTM D635 ASTM D1929 ASTM D1929 UL 94 UL 94	In °F °F - -	<1 1070 870 V2 V0

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