Product Description:
Brand: YILONG
Materials: Unsatuated Polyester + Fiberglass Mat
Color: Red, White
Thickness: 1.0~100mm
Size: 1020mm*2010mm, 1000mm*2000mm, 1220mm*2440mm
Packaging: Pallet, Wooden Box
Temperature Index: ≥155℃
CTI 600
MOQ: 500KG
Brand: YILONG
Materials: Unsatuated Polyester + Fiberglass Mat
Color: Red, White
Thickness: 1.0~100mm
Size: 1020mm*2010mm, 1000mm*2000mm, 1220mm*2440mm
Packaging: Pallet, Wooden Box
Temperature Index: ≥155℃
CTI 600
MOQ: 500KG
Description
GPO-3 / UPGM203 / HM2471 Polyester Fiber Sheets are high-strength polyester fiber-based laminates designed for electrical insulation and mechanical applications. Engineered from high-quality polyester fiber and resin, these sheets provide excellent dielectric properties, thermal stability, and impact resistance, ensuring reliable performance in demanding industrial and electrical environments. They maintain electrical insulation under high voltage, offer superior thermal resistance, and exhibit low moisture absorption, making them suitable for varied temperature and humidity conditions. Mechanically, GPO-3 sheets resist impact, wear, and abrasion, combining electrical reliability with physical durability.
Features
High mechanical strength and impact resistance
Excellent dielectric properties and electrical insulation under high voltage
Superior thermal stability for high-temperature applications
Low moisture absorption for humid or fluctuating environments
Wear and abrasion resistant, durable for mechanical applications
Robust combination of electrical and mechanical performance
Applications
Electrical insulation components in transformers and switchgear
Mechanical parts requiring both strength and electrical insulation
High-voltage electrical circuits and devices
Industrial machinery and equipment exposed to heat, wear, or humidity
Environments requiring durable, long-lasting insulating materials
Technical Data Sheet
| GPO-3 / UPGM203 / HM2471 UNSATURATED POLYESTER GLASS MAT SHEET | ||||
| No | Inspection Item | Unit | Test Result | Test Method |
| 1 | Tensile strength | MPa | 132 | ASTM D638-03 |
| 2 | Elastic modulus of tensile | MPa | 1.03×104 | |
| 3 | Flexural strength | MPa | 215 | ASTM D790-03 |
| 4 | Vertical compressive strength | MPa | 227 | ASTM D695-02a |
| 5 | Vertical electrical strength,in the normal oil, fast boost | MV/m | 20.7 | ASTM D149-97a |
| 6 | Vertical layer to flashover voltage, in the air, fast boost | KV | 27 | - |
| 7 | Parallel layer breakdown voltage, in the normal oil, fast boost | KV | 79 | - |
| 8 | Arc resistance | s | 184 | ASTM D495-99 |
| 9 | Compared to the electric mark index | — | CTI600 | UL746A |
| 10 | Insulation resistance | Ω | 6.1×1013 | ASTM D257-99 |
| 11 | Flame retardant | grade | V-0 | UL94:2006 |
| 12 | Oxygen index | % | 44.7 | ASTM D2863-10 |
| 13 | Oxygen index | % | 0.13 | ASTM D570-98 |
| 14 | Density | g/cm3 | 1.83 | ASTM D792-00 |
| 15 | Coefficient of thermal expansion (20℃ -100℃) Parallel layer | 10-6/℃ | 9.6 | ASTM D696-03 |
| 16 | Thermal conductivity (60℃) | W/m·K | 0.652 | ASTM D518-10 |
| 17 | Thermal denaturation temperature(Tm1.8) | ℃ | ≥155 | ISO 75-1:2004 |
| Remarks: 1.Test specimen thickness for (1.66-1.74)mm of the fifth "vertical electrical strength" test. 2.Test specimen thickness for (2.07-2.15)mm of the sixth "Vertical layer to flashover voltage" test. | ||||