3240 Epoxyglass Cloth Laminate Sheet
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3240 Epoxyglass Cloth Laminate Sheet Description
3240 Epoxy glass cloth laminated sheet is made of alkali-free E-glass cloth impregnated with epoxy resin by processing under heat and pressure. It has high mechanical performance under medium temperature, stable electrical properties under high temperature. It is one of the most popular insulation laminate sheets.
Thickness: 0.5-120mm
Sheet dimension: 980mm×1980mm, 1000mm×2000mm
Color: Yellow
Heat resistance: B class ( 130℃)
Material: alkali-free fiberglass cloth
Coating: epoxy resin
3240 Epoxyglass Cloth Laminate Sheet Features
1. High mechanical & electrical strength
2. Excellent rigidity & dimensional stability
3. Good dielectric properties
4. Low water absorption
5. Flame resistance
6. Tighter thickness tolerance
7. Flat and straight panel
8. Smooth and clean surface.
9. Easy to machine
10. Great properties, reinforced, smooth surface
11. Stable electric insulation performance, good flatness
3240 Epoxyglass Cloth Laminate Sheet Applications
3240 Epoxy Phenolic Glass Fabric Laminated Sheet possess high mechanical electrical properties, fine heat, and humidity resistance can be used in electrical machine and devices as insulating construction parts in moist circumstances and in oil transformers. Also can be applied to motors, generators, and electrical appliances.
3240 Epoxyglass Cloth Laminate Sheet Specifications
NO | Item | Unit | Index value | Remark |
1 | Vertical bending strength | MPa | ≥340 | - |
2 | Parallel impact strength (simply-supported beam method) | KJ/ | ≥33 | Either one meeting this requirement is acceptable. |
3 | Parallel impact strength (cantilever beam method) | kJ/ | ≥34 | |
4 | Vertical electric strength (in oil of 90℃±2℃,1mm) | MV/m | ≥14.2 | - |
5 | Parallel breakdown voltage (in oil of 90℃±2℃) | kV | ≥35 | - |
6 | Dielectric constant (below 48Hz-62Hz) | - | ≤5.5 | - |
7 | Dielectric constant (below 1MHz) | - | ≤5.5 | |
8 | Thermostability | ℃ | 150 | - |
9 | Oil resistivity in transformer oil 4h | ℃ | 130 | - |
10 | Tensile strength lengthways horizontal | MPa | ≥314 ≥216 | - |
11 | Adhesive strength | N | ≥5600 | - |
12 | Dielectric dissipation factor (below 48Hz-62Hz ) | - | ≤0.04 | Either one meeting this requirement is acceptable. |
13 | Dielectric dissipation factor (below 1MHz ) | - | ≤0.04 | - |
14 | Density | g/ cm3 | (1.8-2) |
