Find FR4 Epoxy Sheet, FR4 Glass Fiber Board, FR4 Epoxy Glass Cloth Sheet on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)
Home > Products > FR4 Material > FR4 Epoxy Sheet > High Quality FR-4 Sheet

High Quality FR-4 Sheet

Product Description


FR4 Epoxy glass laminated sheet is electrical alkali-free glass woven fabric base impregnated epoxy resin binder by processing under pressure and heat, which have extremely high mechanical strength, good dielectric properties, good electric strength properties and fine heat and humidity resistance. In addition, FR-4 epoxy resin sheet has anti-fire property.


FR-4 Sheet is accordance with the following international standards:


IEC60893 EPGC202/NEMA LI-1:FR4/DIN 7735 HGW 2372.1/BS 3953 EP-4


2.Applications: 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.


3. Thickness: 0.2-200mm Size: 1020x1220mm; 1220x2440mm; Temperature grade:B glass(130℃).


Color: yellow, green,red, back, white


4. The other size can be supplied according to customers' requests.


※Products can be supplied sheets or shapes according to customer drawing


※Note: The values noted in above technical specification are given only for our customers’ reference and should not be used in writing specifications.


5.Our FR-4 Sheet Technical data:



Technical Data Sheet :

Basic information
Product name FR4 / GU10 Epoxy Fibeglass Insulation Laminate
Material Epoxy resin and Alkali free Fiberglass Cloth
Grade Grade B
Technical Performance
Density 2.2g/cm 3
Formation methods High temperature and high pressure
Thermal stability in 24h ≥200°C
Water absorption ≤6.5mg
Flexural strength perpendicular to lamination ≥350 Mpa
Impact strength parallel to laminations (Charpy) ≥45.3 KJ/m 2
Laminations (Charpy)
Dielectric strength perpendicular to laminations (in 90±2°C transformer oil,1mm in thickness)
≥10.7 MV/m
Breakdown voltage parallel to laminations (in 90±2°C transformer oil) ≥40 KV
Insulation resistance after impregnated in water 1.5*10 13 Ω
Dielectric constant (1MHz) 5.14
Combustibility HB Class
Reference Standard GB/T1303.1-1998


Contact us if you need more details on FR-4 Expxy Sheet. We are ready to answer your questions on packaging, logistics, certification or any other aspects about FR-4 Epoxy Resin Plate、Flame Retardant Insulation Board. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : FR4 Material > FR4 Epoxy Sheet

Email to this supplier
  • *Subject:
  • To:

  • *Messages:
    Your message must be between 20-8000 characters