China Factory Insulation Materials Sheet Gpo3 Laminate Glass Fiber Board with Factory Price, Find details about China Electrical Insulation Fiberglass Sheet, Upgm 203 Panel from China Factory Insulation Materials Sheet Gpo3 Laminate Glass Fiber Board with Factory Price
GPO3 is also called UPGM203 plate (Unsaturated Polyester Glass Mat Plate). UPGM203 is IEC standard and GPO-3 is NEMA grade. It is kind of rigid plate insulating material, made of alkali-free fiberglass mat impregnated with unsaturated polyester resin, adding relevant chemical agents in heating and pressing to cure into rigid plate.
No. | Index name | Unit | Index |
1 | Bending Strength | MPa | ≥180 |
2 | Impact Strength | KJ/m2 | ≥60 |
3 | Adhesive strength | N | ≥3800 |
4 | Dielectric strength | MV/m | ≥12 |
5 | Arc resistance | s | ≥180 |
6 | Scratch index | V | ≥600 |
7 | Breakdown Voltage | KV | >42 |
8 | Density | g/m3 | 1.85-2.1 |
9 | Dielectric loss factor |
| ≤0.06 |
10 | Relative dielectric constant |
| ≤4.5 |
11 | Insulation resistivity(Immersion24h) | Ω | ≥1.0x1012 |
12 | Thermal deformation temperature | ºC | ≥240 |
13 | Water absorption D-24/23 |
| ≤0.15 |
14 | PAP hardness |
| ≥50 |
15 | Combustibility | level | UL94V0 Ignition time ≥75s Burning time ≤85s |
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