Epoxy laminated glass cloth sheet is produced by impregnating electrical alkali-free glass fiber cloth with epoxy resin and hot pressing. This material has high dielectric properties and mechanical performance.
EPGC 201 epoxy laminated glass cloth sheet exhibits extremely high mechanical strength at moderate temperatures and stable dielectric properties under high humidity. It is suitable for insulation structural components in Class F motors, electrical equipment, and other applications.
EPGC 202 epoxy laminated glass cloth sheet, similar to EPGC 201, is flame retardant and maintains good electrical performance in high humidity environments. It is suitable for insulation structural components in Class F motors, electrical equipment with flame retardant requirements, and other applications.
EPGC 203epoxy laminated glass cloth sheet, akin to EPGC 201, has high mechanical strength at high temperatures, high chemical resistance, particularly exhibiting durable insulation strength and radiation resistance at elevated temperatures. It is suitable for insulation structural components in Class F motors, electrical equipment, and applications in chemical corrosion environments.
EPGC 204epoxy laminated glass cloth sheet, resembling EPGC 201, is flame retardant and suitable for insulation structural components in Class F motors, electrical equipment with flame retardant requirements.
EPGC 308epoxy laminated glass cloth sheet, similar to EPGC 201, has high mechanical strength at high temperatures and is suitable for insulation structural components in Class H motors, electrical equipment.
Standard product dimensions: 1020×1220mm; 1020×2040mm; 1220×2440mm Thickness: 0.08 to 100mm.
The datasheets of EPGC 201,EPGC 202,EPGC203,EPGC204,EPGC308:
| No. | Test Item | Unit | Testing Result | ||||
| EPGC201 | EPGC202 | EPGC203 | EPGC204 | EPGC308 | |||
| 1 | Test condition | — | IEC60893-3-2:2003 | ||||
| 2 | Density | g/cm3 | 1.70～1.90 | 1.70～1.90 | 1.70～1.90 | 1.70～1.90 | 1.70～1.90 |
| 3 | Vertical Compression Strength ≥ | ||||||
| Under normal circumstances | MPa | 340 | 340 | 340 | 340 | 340 | |
| 150℃±3℃ | — | — | — | — | 170 | ||
| 4 | Parallel layer impact strength ≥ | ||||||
| simply supported beam method | kJ/m2 | 33 | 33 | 33 | 33 | 33 | |
| Cantilever beam method | 35 | 34 | 34 | 34 | 35 | ||
| 5 | Parallel shear strength ≥ | MPa | 30 | — | — | — | — |
| 6 | Tensile Strength ≥ | MPa | 300 | — | — | — | — |
| 7 | Insulation resistance after immersion ≥ | Ω | 5×1010 | 5×1010 | 5×1010 | 5×1010 | 5×1010 |
| 8 | Relative dielectric constant，48～62Hz ≤ | — | 5.5 | — | — | — | — |
| 9 | Parallel layer electrical strength，In transformer oil at 90±2℃ ≥ | kV | 35 | 35 | 35 | 35 | 35 |
| 10 | Vertical electrical strength, in transformer oil at 90±2℃ ≥ | kV/mm | |||||
| Thickness 0.5mm | |||||||
| Thickness 1mm | 16.1 | 16.1 | 16.1 | 16.1 | 16.1 | ||
| Thickness 2mm | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | ||
| Thickness 3mm | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | ||
| 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | |||
| 11 | Water absorption ≤ | ||||||
| Thickness 0.5mm | mg | 17 | 17 | 17 | 17 | 17 | |
| Thickness 1.0mm | 18 | 18 | 18 | 18 | 18 | ||
| Thickness 2.0mm | 20 | 20 | 20 | 20 | 20 | ||
| Thickness 5.0mm | 25 | 25 | 25 | 25 | 25 | ||
| Thickness 10.0mm | 34 | 34 | 34 | 34 | 34 | ||
| 12 | Flammability | — | — | V0 | — | V0 | — |
| 13 | Temperature index | ℃ | 155 | 155 | 155 | 155 | 180 |
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