EPGC201 G10 Epoxy Fiberglass Laminate Sheet

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.

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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-90/20/65 10⁶-10⁸ 
But after boiling, C-90/20/65+D-2/ 100 MΩ  10-10⁶
Volume resistance C-96/35/90 MΩ-cm 10-10 
Surface resistance C-96/35/90 10⁶-10⁸ 
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 RT200C PPM/C 11-14
Z – direction RT135C 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加工案例1 1

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.

Get in Touch with Us

Contact us for insulation materials, engineering plastics, or drawing-based custom machining services.
Our team is ready to provide technical advice and fast quotations to support your project.

Get in Touch with Us

Contact us for insulation materials, engineering plastics, or drawing-based custom machining services.
Our team is ready to provide technical advice and fast quotations to support your project.