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 |
The manner in which you use and the purpose to which you put and utilize our products, technical assistance and information (whether verbal, written or by way
of production evaluations), including any suggested formulations and recommendations are beyond our control. Therefore, it is imperative that you test our products,
technical assistance and information to determine to your own satisfaction whether our products, technical assistance and information are suitable for your intended
uses and applications. This application-specific analysis must at least include testing to determine suitability from a technical as well as health, safety, and
environmental standpoint. Such testing has not necessarily been done by us. Unless we otherwise agree in writing, all products are sold strictly pursuant to the terms
of our standard conditions of sale which are available upon request. All information and technical assistance is given without warranty or guarantee and is subject to
change without notice. It is expressly understood and agreed that you assume and hereby expressly release us from all liability, in tort, contract or otherwise, incurred
in connection with the use of our products, technical assistance, and information. Any statement or recommendation not contained herein is unauthorized and shall not
bind us. Nothing herein shall be construed as a recommendation to use any product in conflict with any claim of any patent relative to any material or its use. No license is implied or in fact granted under the claims of any patent.
Title: Physical Properties for TUFFAK® GP Polycarbonate Sheet
Description: Physical, Mechanical, Thermal, Flammability, and Electrical Typical Properties.
Published: 1/20/2009
Last Edited: 9/11/2020
Information disclaimer:
The information contained in this article is for general information purposes only. The information is provided by
United States Plastic Corp. and while we endeavor to keep the information up to date and correct, we make no representations or
warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with
respect to the website or the information, products, services, or related graphics contained on the website for any purpose.
Any reliance you place on such information is therefore strictly at your own risk.
In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss
or damage, or any loss or damage whatsoever arising from loss of materials, time or profits arising out of,
or in connection with, the use of this information.