High temperature resistant epoxy insulating FR4 Plate

  • Form: Sheet or other form customized according to customer requirements.
  • Colur: Green,yellow,black,orange and white. Special colours can be provided on request.
  • Thickness : 0.1mm-120mm.
  • Special specifications can be customized.

Products description

What Is Garolite G10/FR4?

Garolite G10/FR4 is a thermoset glass-reinforced laminate first introduced in the 1950s. It is made from an alkali-free electrical glass cloth that has been impregnated with an epoxy resin and treated with pressure and heat. The result is a product that is strong and stable and meets UL 94V-0 standards for flame retardance.
JY Machinery can source G10/FR4 in a variety of shapes and configurations to meet the needs of your project.

For detailed specifications and more information about alternatives to G10 Garolite sheets, please contact us directly.

Products Show:

Product Parameters:

Flexural strength perpendicular to laminations – under normal room temperature


ISO 178

≥ 350

Notch Impact strength parallel to lamination (Notched charpy)
ISO 179
≥ 37
Dielectric strength perpendicular to laminations (in oil 90±2℃), 1.0mm in thickness


IEC 60243

≥ 14.2

Breakdown voltage parallel to laminations (in oil 90±2℃)
IEC 60243
≥ 35
1MHz dielectric coefficient1MHz
IEC 60250
≤ 5.5
1MHz loss factor1MHz
IEC 60250
Water absorption rate, 1.6mm in thickness
ISO 62
≤ 0.25
Insulation resistance Impregnated in water(22℃, 50%RH)
IEC 60093
IEC 60695

Products Properties:

Epoxy Based Fiberglass Resin FR4 Epoxy Precision G10 CNC Machined Part is woven fiberglass soaked in an epoxy resin and then compressed and baked. It is very dense, lightweight, and impervious to water. The advantages of this material:

  • Strong, stiff, tough and durable
  • Excellent dielectric strength
  • Good machinability
  • Light weight
  • Heat and water resistant
  • Corrosion and chemical resistant
  • Good mechanical strength
  • Excellent wear properties
  • Good dimensional stability
  • Low moisture absorption
  • Excellent creep resistance

JY Machinery has sufficient stock of the fiberglass epoxy sheet due to its widely applications, to meet fast delivery for our clients.

Our Factory:

Our Servies:

1. Rich Experience

Professional materials background and non-metallic materials processing experiences with more than 10 years,using in industry field like transformer,generator,electric motor,etc. 

2. Provide one-stop service from raw material sheet supply to customized further processing of nonmetal insulating parts.

We can develop and produce various high standards and personalized products according to customers' requirement. 

3. Pre-sales Service 

We have professional sales team to offer comprehensive technical and business consultation services. Designing and fabricating targeted products according to the special requirements of clients.

4. After-sales Service

Highly inspecting equipment in every working procedure, quality comes first.

5. Our Advantage

Competitive price, Flexible payment options, Quick speed.

Always ready for supplying the best solution for your various application.

Main Application:

With high mechanical strength, Insulation, heat resistance, electrical properties and good moisture resistance properties. Widely range of applications, for example: Suitable for using as insulating structural parts in electric equipment, such as electric generators, motors, switch board, pcb , etc.


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