EPGC202(FR4) Epoxy glass laminated sheet are electrical alkali-free glass woven fabric base impregnated epoxy resin binder by processing under pressure and heat, which have extremely high mechanical strength, good dielectric properties, good electric strength properties and fine heat and humidity resistance. In addition, FR4 sheet has anti-fire property. This sheet is made of glass fiber cloth impregnated with brominated epoxy resin and heated and pressurized. It has high mechanical properties, dielectric properties and flame retardant properties, good heat resistance and moisture resistance, and good machinability.
EPGC202 Epoxy Fiberglass Laminate Sheet
EPGC202, FR4, Hgw2372.1
Grade B(130 degree)
Epoxy resin + Fiber glass
Green, Yellow, Black, White or customized.
0.1~300mm or customized.
1.80~2.0g/cm³
1020x2010mm,1020x2040mm,1220x2440mm or customized.
High precision for the tolerance
Excellent Fire Retardant(UL 94 V-0 Grade）
Excellent Voltage Resistance
Excellent Water Resistance
Excellent Heat Resistance
Excellent thermal impact resistance
Excellent mechanical processability
High degree of automation processing
● Motor
● Electrical equipment
● Circuit breakers
● Switch cabinets
● Transformers
● DC motors
● AC contactors
● Explosion-proof appliances
● Star wheel
● Low-voltage electrical insulation baffles
| EPGC202, FR4, HGW2372.1 | ||||
|---|---|---|---|---|
| Physical Properties | Test Standard | Unit | Ref Value | Test Value |
| Density | ISO 1183 | g/cm³ | 1.8-2.0 | 1.8-2.0 |
| Water absorption (thickness 10 mm) | ISO 62 | mg | ≤35 | 10 |
| Mechanical Properties | ||||
| Flexural strength | ISO 178 | MPa | ≥340 | 560 |
| Elastic modulus from bending test | ISO 178 | MPa | ≥22000 | 24000 |
| Compressive strength perpendicular | ISO 604 | MPa | ≥350 | 520 |
| Impact strength Charpy or Izod | ISO 179/3C | kJ/m² | ≥42 | 80 |
| Shear strength parallel | VDE 0318/2 | MPa | ≥30 | 55 |
| Tensile strength | ISO 527-4 | MPa | ≥300 | 430 |
| Electrical Properties | ||||
| Dielectric strength at 90 °C in oil ⊥ | IEC 60243-1 | kV/mm | ≥10.2 | 16.5 |
| Dielectric strength at 90 °C in oil // | IEC 60243-1 | kV | ≥45 | 60 |
| Permittivity 50 Hz | IEC 60250 | ≤5.5 | - | |
| Permittivity 1 MHz | IEC 60250 | ≤5.5 | 5.5 | |
| Dissipation factor 50 Hz | IEC 60250 | ≤0.04 | 0.01 | |
| Dissipation factor 1 MHz | IEC 60250 | ≤0.04 | 0.04 | |
| Insulation resistance | IEC 60167 | MΩ | ≥50000 | 2.7x10^7 |
| Comparative tracking index | IEC 60112 | V | ≥400 | 420 |
| Thermal Properties | ||||
| Thermal endurance | IEC 60216 | T.I. | ≥130 | 142 |
| Flammability | IEC 60707 | Class | V-0 | V-0 |
The above values are for reference only and are taken from the average test results, do not represent complete consistency with the actual performance of the material.
Yes, based on drawings or samples.
UL, RoHS, REACH, CE, ISO, etc.
Usually 100 kg or 100 sheets, negotiable.
Yes, common samples free, buyer pays freight.
2-4 weeks after payment.
Yes, including labeling and packaging.
Yes, over 20 years.
T/T 30% deposit, 70% before shipment. Negotiable if supports needed.
Yes, we offer CNC machining.
Manufacturer and Exporter
No.3, Mianzhi Street, Zhucheng, Shandong, China
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