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Quick Details

  • Place of Origin: Jiangxi, China (Mainland)
  • Brand Name: Honglida(HLD)
  • Model Number: FR4(EPGC202)
  • Type: Insulation Sheet
  • Material: Fiber glass, Epoxy
  • Application: High Temperature, High Voltage, electrical insulation
  • Rated Voltage: 220V
  • Tensile Strength: 400 MPa
  • Item Name: thermal insulation FR4 glass epoxy laminate fiberglass sheet
  • Typically Color: light green or green, white, black
  • Size available: 1020mm x1220mm, 1160mm x1260mm, 1220x2440mm, OEM Size
  • Thickness: 0.1-150mm
  • Customized Color: Acceptable
  • Surface resistance: ≥1010
  • Reinforcement: Fiber glass
  • Certification: UL,RoHS, SGS, ISO9001:2008

Packaging & Delivery

Packaging Details The thermal insulation FR4 glass epoxy laminate fiberglass sheets packed in pallets or wooden cases according to sizes. Customized acceptable.
Delivery Time Within 7-15 days after contract
Product Description
Thermal insulation FR4 glass epoxy laminate fiberglass sheet 

Thermal insulation FR4 glass epoxy laminate fiberglass sheet is a thermosetting industrial laminate consisting of a continuous filament fiber glass material with an epoxy resin binder. It has characteristics of high strength, excellent electrical properties and chemical resistance not only at room temperature but also under humid or moist condition,and more, it has excellent flame retardant property which meets the UL94 V-0 flamability standard.The material thickness ranges from 0.1mm to 150mm, and can meed requirements for different industries, like boats, aircraft industry, as well as the electrical insulator and model making industry. The FR4 material is available in sheet shape with various thickness, from 0.1-150mm, and common size is 1020mm x1220mm.





Water absorption



Flexural strength



Surface resistivity (C-96/20/65)


Volume resistivity(C-96/20/65)



Dielectric lose factor (1MHz)


Heat resistance 220°C 20mm

No bubble

Flammability UL94 (1.6mm)



Solvent resistance

No change




Charpy impact strength





1020×1220 / 1160×1260 / 1220×2440

Note: Colors white, yellow, black, light green are available.





1. Enabe customized cut to size
2. SGS, RoHS, UL

3. We resarch & develop this product for more than 10 years.




* High mechanical & electrical strength
* Excellent rigidity & dimensional stability
* Good dielectric properties
* Low water absorption
* Flame resistance  
* Tighter thickness tolerance
* Flat and straight panel
* Smooth and clean surface.
* Easy to machine
* Great properties, reinforced, smooth surface

* Stable electric insulation performance,good flatness.


Widely used as insulating structural parts in electrical & mechanical equipments, such as
generators, transformers, electromotor,fixture,terminal boards, PC boards, washers, reverse
converter and other electrical insulation components.

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Our Services

We also CNC to your CAD drawing, cut to size with standard tolerance, and sell full sheets in quantity. This material is also available THINNER and THICKER. Please call or email to our Sales Department for information.  


Packaging & Shipping




Company Information


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China (Mainland) | Manufacturer, Trading Company
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1 Transactions 10,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $38,000
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