GPO-3
Gpo-3
This GPO-3 is a fiberglass reinforced thermoset polyester electrical grade sheet. This composite has an excellent combination of high strength, flame resistance and low smoke generation. This makes it ideal as a flame arc/track resistant electrical insulation.
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Applications
This composite is ideal for flame arc/track resistant electrical insulation such as insulators, used as bus bar supports, transformer parts and switchgear insulators.
Specifications
Physical properties
| Specific Gravity (ASTM D-792) | 1.81 |
|---|---|
| Tensile strength (ASTM D-638) Psi | 8000 |
| Compressive Strength (ASTM D-695) Psi | 33 100 |
| Flexural Strength (ASTM D-790) Psi | 22 100 |
| IZOD Impact strength (notched) (ASTM D-256) ft.lb/in. | 8.9 |
| Water absorption (ASTM D-570) % | 0.4 |
Electrical properties
| Electrical strength ( ASTM D-149) Vpm | 450 |
|---|---|
| Arc Resistance (ASTM D-495) Sec. | 180 |
Thermal Properties
| UL Subject 94 (0.094" & Thicker) | V0 |
|---|---|
| UL Temperature Temperature Index (UL 746B) | |
| Electrical | 130 °C (266°F) |
| Mechanical | 160 °C (320°F) |
| Coefficient of Thermal Expansion (ASTM D-696) in/in/°CX10-5 | 2 |
| Thermal Conductivity (ASTM C-177) BTU/HR/Ft²/In/°F | 1.9 |
N.B. The information presented may differ from practice. We recommend conducting tests according to the conditions of use. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products. The data is subject to certain variations without notice.
