China Factory Gpo-3 Upgm203 Laminates Sheet Colours Red, Find details about China Gpo3 Sheet, Upgm 203 from China Factory Gpo-3 Upgm203 Laminates Sheet Colours Red
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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