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FR stands for flame retardant, and denotes that safety of flammability of FR4 is in compliance with the standard UL94V-0.
Product Size: 1030*1230 mm / 1040*1240 mm / Customize
Regular Thickness: 0.1mm--150mm
The FR4 epoxy laminate has a smooth surface, no air bubbles, no pits and wrinkles. The edges are cut neatly and the end faces are free of delamination and cracks.
Color: Natural (yellow), green, white, black etc.
Main Characteristics: The cured epoxy resin system has excellent mechanical properties and high temperature resistance. It is an excellent insulating material with high dielectric properties, surface leakage resistance and arc resistance.
Uses: Suitable for mechanical, electrical, electronic, new energy and other fields. Used for processing into various types of insulating parts and equipment insulation structural parts.
| Product Name | FR4 3240 Fiberglass Sheet |
| Model Number | G10 G11 FR4 3240 |
| Type | Insulation Sheet |
| Material | Glass fiber cloth, epoxy resin |
| Application | High Voltage |
| Rated Voltage | ≥40kv |
| Tensile Strength | ≥340mPA |
| Certification | ISO9001 ISO14001 |







We are a professional manufacturer specializing in the production of composite materials, supplemented by processing, sales, and services. Established in October 2007, the facility covers an area of 10 acres with a construction area of over 16,000 square meters. The site includes three standard industrial factories with convenient transportation access.
With over 10 years of continuous growth, our team currently includes 10 professional engineers and over 60 technical personnel, achieving a monthly output of over 100 tons. Our main products include fiberglass boards, epoxy resin boards, needle templates, anti-static boards, and high-performance density boards.
These materials are widely used in PCB and FPC, electronic appliances, power supplies, motors, solar panels, energy storage battery protection panels, and various new energy industries.



Ran Solar