EPGC201 G10 Epoxy Fiberglass Laminate Sheet
EPGC201 G10 Epoxy Glass Cloth Laminate Sheet is a high-performance electrical insulation material manufactured by impregnating woven fiberglass cloth with epoxy resin as the bonding agent, followed by drying and hot pressing under high temperature and pressure.
This epoxy fiberglass laminate sheet features excellent mechanical strength, electrical insulation properties, moisture resistance, flame retardancy, and heat resistance. Even after water immersion, it maintains stable dielectric performance, making it suitable for various electrical insulation and mechanical applications.
EPGC201 G10 Epoxy Glass Cloth Laminate Sheet
Product Introduction
EPGC201 G10 laminate is widely used for transformer insulation parts, electrical equipment components, PCB fixtures, industrial machinery parts and customized insulation components.
Product Features
EPGC201 G10 Epoxy Glass Cloth Laminate Sheet provides excellent overall performance:
High Mechanical Strength
The reinforced fiberglass structure provides excellent mechanical strength and dimensional stability, allowing the material to maintain reliable performance under mechanical stress and high-temperature conditions.
Excellent Electrical Insulation Performance
The material offers stable electrical properties in both normal dry environments and high humidity conditions, making it suitable for electrical insulation applications requiring long-term reliability.
Heat Resistance
- Maximum continuous working temperature: 130°C
- Insulation grade: Class B
- Excellent thermal stability
Flame Retardant Performance
EPGC201 meets:
- UL94 HB flame retardant standard
Moisture Resistance
The epoxy resin system provides low water absorption and stable dielectric performance after moisture exposure.
Cost-Effective Insulation Solution
EPGC201 provides a good balance between:
- Mechanical performance
- Electrical insulation properties
- Heat resistance
- Cost efficiency
Applications
EPGC201 G10 Epoxy Glass Cloth Laminate Sheet is widely applied in electrical, electronic and industrial fields.
Electrical Equipment
Applications include:
- Electrical insulation plates
- Transformer insulation boards
- Motor insulation components
- Electrical support parts
- Terminal boards
- Insulation barriers
Industrial Machinery
Used for:
- Machine components
- Mechanical parts
- Bearings
- Washers
- Gears
- Wear-resistant strips
Electronics & PCB Industry
Suitable for:
- FPC reinforcement boards
- PCB drilling backing boards
- Fiberglass spacers
- Wave soldering fixtures
- PCB fixing parts
- Precision test boards
Customized Insulation Components
EPGC201 can be machined into:
- Special-shaped insulation parts
- Electrical brackets
- Precision components
- Insulation pads
- Mechanical supports
Specifications
Metric Size
| Item | Specification |
|---|---|
| Thickness | 0.1mm – 250mm |
| Thickness Customization | Available |
| Sheet Size | Customized |
Imperial Size
| Item | Specification |
|---|---|
| Thickness | 0.004″ – 4″ |
| Standard Thickness | NEMA Standard |
| Standard Size | 40″×48″, 48″×96″ |
| Maximum Size | 48″×120″ |
Technical Data
| Product technical specifications | ||||
| Test items | Test conditions | Unit | Typical values | |
| Voltage resistance | Z – direction | C-90/20/65 15 | KV/mm | 54 |
| X, Y – direction | 0-0.5/90 | KV | 28 | |
| Insulation resistance | Original appearance | C-90/20/65 | MΩ | 10⁶-10⁸ |
| But after boiling, | C-90/20/65+D-2/ 100 | MΩ | 10⁴-10⁶ | |
| Volume resistance | C-96/35/90 | MΩ-cm | 10⁷-10⁹ | |
| Surface resistance | C-96/35/90 | MΩ | 10⁶-10⁸ | |
| Dielectric constant (1MHz). | Fluid cell | 4.2-4.7 | ||
| Dielectric loss (1MHz). | Fluid cell | 0.030-0.035 | ||
| Arc resistance | ASTM D495 | Sec | 120.140 | |
| Leakage trace index | ASTM D3638 | V | 175-250 | |
| Bending strength | Y-direction | ASTM D790 | MPa | 400-500 |
| X-direction | MPa | 450-550 | ||
| Compressive strength | Y-direction | ASTM D695 | MPa | 345440 |
| X-direction | MPa | 290-390 | ||
| Tensile strength | ASM D882 | MPa | 250-350 | |
| Bending modulus | ASTM D790 | MPa | 21560-24500 | |
| Interlayer bonding | D-48/50 | kN | 8.0-10.0 | |
| Roche hardness | ASTM D785 | HR-R A | 120.125 | |
| Notch impact strength | X-axis | ASTM D256 | J/cm | 5.4-6.4 |
| Glass transition temperature | DSC | IPC-TM-650 2.4.25 | C | 135 |
| Water absorption | 1.0mm thickness | E-24/50+D-24/23 | % | 0. 1-0.8 |
| Specific gravity | As received | g/cm3 | 2.0±025 | |
| Coefficient of thermal expansion | X, Y – direction | RT〜200C | PPM/C | 11-14 |
| Z – direction | RT〜135C | PPM/C | 45-50 | |
| 135-2OOC | PPM/C | 250-260 | ||
| Flame retardancy | UL94 | Rating | HB | |
| Relative Temperature Index (RTI) | UL94 | C | 130 | |
| Heat resistance | 130C/2Hr | pass | ||
| 280C/30S | Pass | |||
| Insulation grade | IEC 60216- 1 | Class | B | |
| Note: The above test data are typical values and not guaranteed specifications. | ||||
Custom Manufacturing Service
SJ Tech provides not only EPGC201 G10 Epoxy Glass Cloth Laminate Sheet, but also customized insulation component manufacturing.
We support:
- Cutting
- CNC machining
- Drilling
- Precision processing
Customized products can be manufactured according to:
- Customer drawings
- CAD files
- Samples
- Technical requirements

Why Choose SJ Tech
- Factory direct supply
- Stable quality control
- Customized thickness and sizes
- Professional insulation material supplier
- Support OEM and customized machining
Contact SJ Tech for EPGC201 G10 epoxy glass cloth laminate sheet solutions.







