Glass Epoxy Sheet FR4 Glass Epoxy Sheet FR4 Glass Epoxy Sheet FR4 Glass Epoxy Sheet FR4

Glass Epoxy Sheet FR4

220 INR/Kilograms

Product Details:

  • Size 1030 mm X 1230 mm
  • Usage Electrical Appliances
  • Color Yellow
  • Product Type Epoxy Sheet
  • Material Glass Epoxy
  • Click to view more

Glass Epoxy Sheet FR4 Price and Quantity

  • 220 INR/Kilograms
  • 100 Kilograms

Glass Epoxy Sheet FR4 Specification

  • Glass Epoxy
  • Yellow
  • Electrical Appliances
  • Epoxy Sheet
  • 1030 mm X 1230 mm

Glass Epoxy Sheet FR4 Trade Information

  • Mumbai / Bhiwandi
  • Delivery Point (DP) Paypal Cash Against Delivery (CAD) Telegraphic Transfer (T/T) Cash in Advance (CID) Cheque Cash Advance (CA)
  • 4000000 Kilograms Per Month
  • 1 Days
  • Free samples are available
  • Wooden pallets
  • Australia North America South America Eastern Europe Western Europe Middle East Africa Central America Asia
  • All India
  • CE & RoHS

Product Description

The widely used thermosetting epoxy laminate material Glass Epoxy Sheet FR4, usually referred to as FR4, is renowned for its remarkable electrical insulating characteristics. Applications involving electronics and electricity frequently employ it.


These are its main attributes and advantages:

1. Material Composition: Woven glass fabric is impregnated with epoxy resin, which is then used to create FR4 before curing it at a high temperature and pressure. This procedure produces a strong and long-lasting substance.

2. Outstanding Electrical Insulation: One of FR4's key characteristics is its exceptional electrical insulation capabilities. It is suitable for use in applications where electrical isolation is essential due to its high dielectric strength.

3. Flame Retardant: Because FR4 is made to be flame retardant, it has the ability to extinguish itself. It is a secure option for electrical and electronic equipment because it does not assist combustion and will not help a fire spread.

4. High-Temperature Resistance: This substance can endure high temperatures without noticeably deteriorating its electrical or mechanical qualities. Some electronic components require it because it is stable and dependable in hot temperatures.

5. Mechanical Strength: FR4 has good dimensional stability and mechanical strength. It can tolerate physical impact, vibration, and mechanical stress without easily breaking or deforming.

6. Chemical Resistance: It is resistant to a wide range of chemicals, including acids and solvents. Acid and solvent resistance makes it appropriate for use in applications where exposure to corrosive substances is a concern. 

7. Low Water Absorption: The electrical and mechanical performance of FR4 is guaranteed to be maintained even when it is exposed to moisture for an extended period of time due to its low water absorption capabilities.

Glass Epoxy Sheet FR4 Benefits:

1. Versatility: Glass Epoxy Sheet FR4 is versatile and has a wide range of uses, including electrical insulators, connectors, printed circuit boards (PCBs), and more.

2. Reliability: It is a dependable option for electrical and electronic components, delivering consistent performance over time because to its high electrical insulation and thermal resistance.

3. Safety: Applications where fire prevention is crucial, such electrical panels and control systems, benefit from FR4's flame-retardant qualities.

4. Durability: It has a long service life, eliminating the need for regular replacements and maintenance, thanks to its resilience to environmental variables and good mechanical qualities.

5. Ease of Fabrication: The manufacturing process for electronic components is made simpler by the ease with which FR4 may be machined, drilled, cut, and shaped to fulfil specific design requirements.

6. Cost-Effective: Despite having a greater initial cost than certain other materials, its durability and long-term performance lower the overall cost of ownership, making it more cost-effective in the long run.


Glass Epoxy Sheet Property Data :

Technical Data

Method of Verification



I.Physical Properties


ISO 1183



Water absorption 24hrs

ISO 62



III.Thermal Properties

Max. service temperature -Short term

ISO 75-2

Degree Centigrade

Max. service temperature - Long term

ISO 75-2

Degree Centigrade


Coefficient of Thermal Expansion-LW

ISO 11359


Coefficient of Thermal Expansion-CW

ISO 11359


Thermal Conductivity

ISO 11359




UL 94



II.Mechanical Properties

Tensile strength at yield

ISO 527-2



Tensile strength at break

ISO 527-2


Hardness Rockwell

DIN 53505


Izod impact strength

ISO 179



Bending Strength

ISO 527-2


Flexural strength-LW

ISO 179



Flexural strength-CW

ISO 179



Adhesive Strength

ISO 179


Compression strength-LW

ISO 179



Compression strength-CW

ISO 179



IV.Electrical Properties

Volume resistively

IEC 60093

Ohm () * cm


Surface resisively

IEC 60093

Ohm ()


Electric strength- LW

VDE 0303



Breakdown Voltage-CW

VDE 0303



Relative dielectric coefficient

VDE 0303


Dielectric Loss mudule

VDE 0303



Arc resistance

VDE 0303


1. What exactly is FR4 Glass Epoxy Sheet?

Ans: The composite material known as Glass Epoxy Sheet FR4, also known as just FR4, is made of woven glass fabric and epoxy resin. It is a well-liked option in the electronics and electrical industries due to its outstanding mechanical and electrical insulating qualities.

2. What applications are there for Glass Epoxy Sheet FR4?

Ans: In the electronics sector, FR4 is often used, primarily as the substrate for printed circuit boards (PCBs). Where electrical isolation and mechanical strength are crucial, it is also employed in electrical insulators, transformers, switchgear components, and a range of electronic gadgets.

3. Why is utilising Glass Epoxy Sheet FR4 for PCBs advantageous?

Ans: Due to its exceptional electrical insulation, flame retardancy, resilience to high temperatures, and durability, FR4 is a perfect material for PCBs. It guarantees dependable circuit functioning and offers a sturdy mounting surface for electrical components.

4. How is FR4 Glass Epoxy Sheet manufactured or crafted?

Ans: Standard tools and methods, such as CNC machining, milling, drilling, and laser cutting, can be used to machine FR4. It is a flexible material that is simple to modify to satisfy certain design requirements, making it appropriate for a range of applications.

5. Is Glass Epoxy Sheet FR4 safe for the environment?

Ans: Due to the epoxy resin component, FR4 is not necessarily environmentally beneficial, but efforts have been made to find more eco-friendly substitutes. Responsible FR4 handling and disposal are critical. E-waste recycling programmes can lessen the environmental impact of this trash.
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