3240 Epoxy Fiberglass
3240 Epoxy Fiberglass Board - F-Class insulation material with excellent mechanical strength and electrical insulation properties. Ideal for transformers, motors, and high-voltage switchgear.
3240 Epoxy board is made from fiberglass cloth and epoxy resin, offering excellent mechanical strength, electrical insulation, and chemical resistance. F-class insulation rated (155℃).
| 项目 | 规格 |
|---|---|
| Material | G10/FR4 Epoxy Fiberglass Composite |
| Grade | G10 Industrial Grade |
| Thickness Range | 0.3mm - 50mm |
| Temp Resistance | ≥155C (Class H) |
| Breakdown Voltage | ≥20kV/mm |
| Water Absorption | ≤0.1% |
| Custom | Any size cutting available |
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| Thickness (mm) | Standard Sheet Size (mm) | Availability |
|---|---|---|
| 1.0 | 914 x 1220 | In stock |
| 1.5 | 914 x 1220 / 1220 x 2440 | In stock |
| 2.0 | 914 x 1220 / 1220 x 2440 | In stock |
| 3.0 | 914 x 1220 / 1220 x 2440 | In stock |
| 4.0 | 1220 x 2440 | In stock |
| 5.0 | 1220 x 2440 | In stock |
| 6.0 | 1220 x 2440 | In stock |
| 8.0 | 1220 x 2440 | In stock |
| 10.0 | 1220 x 2440 | In stock |
| 12.0 | 1220 x 2440 | In stock |
| 15.0 | 1220 x 2440 | Custom |
| 20.0 | 1220 x 2440 | Custom |
| 25.0 | 1220 x 2440 | Custom |
| 30.0 | 1220 x 2440 | Custom |
| Property | Test Method | Typical Value |
|---|---|---|
| Flame Retardance | UL 94 | V-0 |
| Thermal Class | IEC 60085 | Class F (155 C) |
| Glass Transition Tg | DSC | 130 C |
| Bending Strength (LW) | GB/T 1303 | =340 MPa |
| Bending Strength (CW) | GB/T 1303 | =270 MPa |
| Impact Strength | GB/T 1303 | =68 kJ/m2 |
| Water Absorption | E24/23 + D24/23 | =1.0% |
| Dielectric Breakdown | GB/T 1408 | =35 kV/mm |
| Volume Resistivity | GB/T 1410 | =10^8 MOhm.cm |
| Dielectric Loss (50Hz) | GB/T 1409 | =0.04 |
| Relative Permittivity (50Hz) | GB/T 1409 | =5.5 |
| Component | Typical Operating Temp | Suitability |
|---|---|---|
| Power Transformers | 80 C - 140 C | Excellent |
| High Voltage Switchgear | Room temp - 90 C | Excellent |
| Motor Stator Wedges | 60 C - 130 C | Excellent |
| Bus Bar Insulation | Room temp - 80 C | Excellent |
| CNC Machined Parts | Varies | Excellent |