EPGC306/G11 high temperature epoxy resin fiberglass board is created by compressing fiberglass cloth, soaked in high temperature resistant epoxy resin under heat with excellent mechanical and dielectric properties, good mechanical performance at high temperature and high humidity condition, and good processability. The insulation class is H class. Its performance is similar to that of EPGC203, and the resistance index is improved, compressive tracking index CTI is 600. It is suitable for high voltage DC power transmission and transformation equipment, large hydro generator set and other F class electrical equipment insulation structure parts.
EPGC306 Epoxy Fiberglass Laminate Sheet
EPGC306, G11, EPGC203
Grade F (155 degree)
UL94 V-0
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 mechanical strength under normal temperature
Strong mechanical strength
Good electrical properties under dry and wet environment
Can be used in damp environment and transformer oil.
Grade F heat resistance insulating material.
Similar to EPGC203 but with improved CTI
● All kinds of motor
● Electrical
● Electronic and other fields
● Electrical equipment as insulation structure parts High voltage switchgear
● High voltage switch
| EPGC306, G11, EPGC203 | ||||
|---|---|---|---|---|
| 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 | 18 |
| Mechanical Properties | ||||
| Flexural strength | ISO 178 | MPa | ≥340 | 550 |
| Elastic modulus from bending test | ISO 178 | MPa | ≥22000 | 25000 |
| Compressive strength perpendicular | ISO 604 | MPa | ≥350 | 490 |
| Impact strength Charpy or Izod | ISO 179/3C | kJ/m² | ≥50 | 85 |
| Shear strength parallel | VDE 0318/2 | MPa | ≥30 | 55 |
| Tensile strength | ISO 527-4 | MPa | ≥300 | 450 |
| Electrical Properties | ||||
| Dielectric strength at 90 °C in oil ⊥ | IEC 60243-1 | kV/mm | ≥14.2 | 21.0 |
| Dielectric strength at 90 °C in oil // | IEC 60243-1 | kV | ≥45 | 85 |
| Permittivity 50 Hz | IEC 60250 | ≤5.5 | 5.2 | |
| Permittivity 1 MHz | IEC 60250 | ≤5.5 | 5.0 | |
| 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 | 4.8x10^6 |
| Comparative tracking index (CTI) | IEC 60112 | V | ≥600 | 600 |
| Thermal Properties | ||||
| Thermal endurance | IEC 60216 | T.I. | ≥155 | 160 |
| 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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