| GPO3 Technical Data Sheet |
| GPO-3
is a UL recongized product that offers
excellent track, arc, and flame resistance. It has good mechanical and
thermal performance. The low smoke generation and flame spread
characteristics make it a preferred choice for transit applications. |
| Material Grade |
GPO3, UL listed, File E249670 |
| Resin system |
Unstaurated Polyester Resin |
| Availability |
Sheet , Angles &
Channels , Flat Bar , Hollow Tubes
& Sections , Sqaure Rods , Customized Sections & Fabricated Parts |
| Requirement |
Test Method |
Condition |
Unit |
NEMA
Requirement |
Typical Values |
| Minimum
breakdown voltage |
D229/D149 |
A,
D-48/50 |
KV |
40
15 |
48
15 |
| Minimum electric strength |
D229/D149,
IEC |
A |
kV/mm |
11.814 |
22.4 |
| Minimum arc resistance |
D229/D495 |
A |
sec |
150 |
185+ |
| Comparative Tracking Index-CTI |
IEC 60112/ASTM D3638 |
.. |
volts |
>600 |
>600 |
| Minimum flexural strength |
D229/D790 |
|
| a) lengthwise |
|
A |
ksi |
18.0 |
26 |
| b) crosswise |
|
A |
ksi |
18.0 |
28 |
| Minimum izod impact strength |
D229/D256 |
|
| a) lengthwise |
|
E-48/50 |
ft-lb/in |
8.0
|
15.5* |
| b) crosswise |
|
|
ft-lb/in |
8.0 |
.. |
| Minimum tensile strength |
D229 |
A |
ksi |
8.0 |
19 |
| Minimum compressive strength, flatwise |
D229/D695 |
A |
ksi |
30.0 |
49.0 |
| Minimum bonding strength |
D229/IS10192 |
A,
E-48/50 |
kgf |
..
.. |
506
… |
| Maximum water absorption |
D229/D570 |
D24/23 |
% |
0.50 |
0.11 |
| Flammability |
UL94 |
A |
Class |
V-0 |
V-0
(2.0, 3.0mm thickness) |
| Minimum tracking resistance |
D2303 |
A |
minutes |
.. |
300+ |
| Density |
ASTM D792 |
A |
g/cm3 |
.. |
1.85 |
| Shear Strength |
ASTM D732-10 |
A |
ksi |
.. |
11.09 |
| Volume Resistivity |
ASTM D257 |
A |
ohm-cm |
.. |
5.99x1015 |
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